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waste什么意思

2023-08-22 00:26:28
TAG: as te st ast was
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waste一词的意思是“浪费;废物”。

扩展资料

1、作为动词

在日常生活中,waste常常指的是浪费。比如:“Don"t waste your time on the internet.”(别在网上浪费你的时间)。同时,在环境领域,waste也常常被用来形容废弃物。比如:“We need to take care of our waste disposal.”(我们需要慎重处理我们的废弃物)。

2、作为名词

当waste作为名词时,多数情况下可以指的是垃圾、废料等物质。比如:“The factory produced a lot of waste.”(这家工厂产生了很多废料)在医学或科技领域,有时候也用waste作为特定产品的消耗品。例如:“I need to replace the ink waste in my printer.”(我需要更换打印机的墨水废液)。

3、拓展知识

除了waste本身的简单含义外,还有许多与其相关的短语和表达方式。比较常见的有:

- A waste of: 是指一种十分浪费、毫无必要的行为,使用它时常以“a waste of time”(浪费时间)、“a waste of money”(浪费金钱)等表达形式。

- Wasted on: 是指一种资源被浪费在不该浪费的地方上。例如:“Her talents are wasted on this boring job.”(她的才华被用在这份无聊的工作上太浪费了)

4、总结

waste作为一个词汇,在日常生活中十分常见。它可以指浪费时间、金钱等资源的行为,也可以指废弃物、废料等物质。此外,还存在与其相关的短语和表达方式,可以帮助我们更好地理解并运用这个词汇。

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2023-08-12 22:11:161

waste用法

waste的用法如下:1、用作(n.)翻译为:废物;浪费;荒地(1)The city waste is disposed of in the sea.城市垃圾倒在海里处理掉。(2)Its only a waste of time to speak to her.和她说话纯粹是浪费时间。2、用作动词(v.)浪费; 挥霍; 逐渐变虚弱; 变消瘦; 破坏; 毁坏(1)All his efforts were wasted.他的所有努力都白费了。(2)I don"t take to waste your time.我不愿浪费你的时间。3、用作形容词(adj.)废弃的; 丢弃的; 闲置的; 荒芜的(1)They are turning waste land into paddy fields.他们正在使荒地变为稻田。(2)Waste water from factories should be treated before flowing into rivers.工厂里的废水在流入河里之前应该经过处理。
2023-08-12 22:11:321

a waste of time to do还是doing?

是do,不用doing,因为句子是一般现在时,不是现在进行时,所以不用doing,全句意思是:浪费时间。重点词汇:waste英[weu026ast]释义:n.浪费,滥用;废物,废弃物(同wastes);荒地,荒原(wastes);<法律>(尤指因租借人的行为或疏忽而导致的)不动产的损坏,产业损伤;粪便,尿液。v.浪费,滥用;未能充分利用,没有物尽其用;<美,非正式>杀害,谋杀(某人);(使)(人,身体部位)逐渐变虚弱,变消瘦;<文>破坏,毁坏(地方);<文>(时间)流逝,被花掉。adj.(通常指城市中的某地)荒芜的,荒废的;(材料、物质等)废弃的,无用的。[复数:wastes;第三人称单数:wastes;现在分词:wasting;过去式:wasted;过去分词:wasted]短语:radioactive waste放射性废料;[环境]放射性废物;放射性废弃物;废料。词语使用变化:n.(名词)。1、waste用作名词的基本意思是“浪费,滥用”,指对人力、财物、时间等用得不当或没有节制,表示抽象意义,不可数。waste也可作“废料,废弃物”解,指失去原使用价值的、陈旧、破损了的物品,是不可数名词,表示不同种类的废弃物时可用于复数形式。2、waste还可作“荒地”解,指没有开垦或没有耕种的土地,作此解时是可数名词,可用于复数形式。3、waste后可接of短语作其定语。
2023-08-12 22:12:031

wasted tiesto中文歌词

Blacked out失去意识Everything faded on your love一切都在你的爱中褪色I"m already wasted so close我已快将时光挥霍一空That I can taste it now... now...以至于我现在便要去品味 现在So let"s break right out of these guilty cages让我们冲破罪恶的牢笼We"re going to make it now...我们现在就要成功Don"t ever turn around永远不要调转方向Don"t ever turn around永远不要调转方向Nobody else needs to know别人无需知晓Where we might go...我们去往何方We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行There ain"t no reason to stay没有理由停留We"ll be light years away...我们将超越光年We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行White lights, flirt in the darkness白色的灯光再黑暗中摇曳This road leads where your heart is这条路通往你心的方向These signs, something we can"t ignore我们无法忽视这些信号We can"t back down我们绝不退让We"ll never let them change us我们永远不会让他们改变我们We"re going to make it now我们现在就要成功What are we waiting for...我们还等什么What are we waiting for...我们还等什么Nobody else needs to know别人无需知晓Where we might go...我们去往何方We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行There ain"t no reason to stay没有理由停留We"ll be light years away...我们将超越光年We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行We could just run them red lights我们只需给他们亮红灯禁行
2023-08-12 22:12:452

waste的过去式和过去分词

laughing,laughed,laughed dealing,dealt,dealt regarding,regarded,regared trying,tried,tried affording,afforded,afforded paying,paid,paid wasting,wasted,wasted breaking,broke,broken giving,gave,given
2023-08-12 22:12:561

GTA5 wasted画面怎么制作

我觉得大多数的视频编辑软件,比如after effect,都能做这样的效果,自己输入WASTED,然后设置字体,搞得像GTA,再从网上找音效,添加进去,结束~
2023-08-12 22:13:161

why i should keep loving you是哪首歌的歌词

歌曲名:WastedDaysAndWastedNights“WastedDaysAndWastedNights”是由FreddyFender在1959年创作的美国乡村和流行歌曲。属于路易斯安那南部和德克萨斯东南部的Swappop风格。Fender在1975年重新录制,并流行起来。“WastedDaysAndWastedNights”曾出现在电影《小布什传》中。JenniRivera在2001翻唱并收录进专辑《DéjateAmar》。LeannRimes在2011年翻唱并收录进专辑《"Lady&Gentlemen》。英文歌词:WasteddaysandwastednightsIhaveleftforyouBehindForyoudon"tbelongtomeYourheartbelongstosomeoneelseWhyshouldIkeeplovingyouWhenIknowthatyou"renottrueAndwhyshouldIcallyournameWhenyou"retheblameformakingmeblueDon"tyourememberthedayThatyouwentawayandleftmeIwassolonelyPrayedforyouonly,myloveWhyshouldIkeeplovingyouWhenIknowthatyou"renottrueAndwhyshouldIcallyournameWhenyou"retheblameformakingmeblueDon"tyourememberthedayThatyouwentawayandleftmeIwassolonelyPrayedforyouonly,myloveWhyshouldIkeeplovingyouWhenIknowthatyou"renottrueAndwhyshouldIcallyournameWhenyou"retheblameformakingmeblue
2023-08-12 22:13:271

waste和third是什么意思?

1、waste:n.浪费,白费,挥霍钱财;废料,废品,废物;荒地,荒芜;消耗(量),损耗vt.& vi.徒劳;(使)损耗;(使)消瘦;浪费vt.破坏;干掉;(游戏或比赛中)大胜adj.废弃的, 无用的, 荒芜的现在分词:wasting;过去式:wasted;第三人称单数:wastes;过去分词:wasted2、third[英][θɜ:d] [美][θə:d] n.第三;三分之一;第三档adj.第三的;三分之一的复数:thirds;
2023-08-12 22:13:341

求brandi carlile 《wasted》《the story》高质量MP3flac

The_Story-Brandi_Carlile-59798791.mp3: https://089u.com/f/9508491-487846838-8b886d (访问密码:3389)Wasted(Album_Version)-Brandi_Carlile-1472411.mp3: https://089u.com/f/9508491-487846848-7cd09f (访问密码:3389)这是高品质MP3的,希望可以帮到您
2023-08-12 22:13:431

the wasted times 不是浪费时间么

time是不可数的名词,所以不能有s的。
2023-08-12 22:14:275

为什么用is wasted 而不用was wasted ? It is reported that too much water is wasted in our city.

这里描述的是一种一般状态。暗含长期以来且现在依然有大量的水被浪费。
2023-08-12 22:14:432

Wasted Generation 歌词

歌曲名:Wasted Generation歌手:Steel Dragon专辑:Rock StarSteel Dragon-Wasted GenerationYeaaaaaaah!A runaway was found todayDyin in the allyHe didn"t have a namea number, or a homeThey found him cold as iceHe was feelin" no pain~His destination was terminationA dead end situationWe are the wasted generationWe are the wasted generationA teenage idol died tonightLyin" in the gutterHe had the things in lifeOnly money could buyHe threw it all awaydown a river of fameHis destination was terminationA dead end situationWe are the wasted generationWe are the wasted generation<Musical Break..>Yeah~<Musical Break..>Wasted!~Wasted!~We are the wasted generation(Ge,Ge,Ge,Ge,Generation~)Generation~http://music.baidu.com/song/2955746
2023-08-12 22:14:511

“Time you enjoy wasting,was not wasted” u200b什么意思呢

Timeyouenjoywasting,wasnotwasted.翻译是:你乐于挥霍的时间,都不能算作浪费。其他的优美句子如下:1.“Ifyouenterthisworldknowingyouarelovedandyouleavethisworldknowingthesame,theneverythingbetweencanbedealtwith.沐爱而生,携爱而逝,此生之中,再无所惧。2.Ilovethreethingsinthisworld:sun,moon,andyou.Sunformorning,moonfornightandyouforever.天地之间,三事吾之所欣:昼则乐日,夜则惜月,一世则恋君。3.Someofusgetdippedinflat,someinsatin,someingloss...Buteveryonceinawhileyoufindsomeonewho"siridescent,andwhenyoudo,nothingwillevercompare.有人住高楼,有人在深沟,有人光万丈,有人一身锈,世人万千种,浮云莫去求,斯人若彩虹,遇上方知有。4.Everythingwillbefine,ifit"snotnow,it"snottheend.每件事情都不会那么糟糕的,如过现在还不是,那证明就是还没到最后。
2023-08-12 22:14:581

Wasted Time是什么意思

浪费的时间Wasted Time是美国流金乐队Skid Row的一支单曲,来自第二张专辑《Slave to the Grind》。这支单曲发行于1991年,由Sebastian Bach、Rachel Bolan和Dave "the Snake" Sabo创作。此曲也是乐队在美国最后一首实际意义上的热门单曲。
2023-08-12 22:15:082

time wasted和waste time意思有区别吗?

time wasted - 浪费的时间; 是被动语态例 : Look at the time you wasted. 看看你浪费多少时间。waste time - 浪费时间; 是主动语态例 : You are wasting my time. 你在浪费我的时间。两种说法是相同的含义。用于不同结构的句子上。
2023-08-12 22:15:161

Wasted Breath 歌词

歌曲名:Wasted Breath歌手:Tonya Mitchell专辑:I RepresentI don"t wanna hear your storiesI don"t wanna hear your liesI don"t wanna hear those made up alibisYou told me that you lived for meYou sounded so sincereBut now the pictures suddenly so clearAfter all that"s been said and doneI should have been the only oneBut every word from you is nothing moreThan wasted breathWhy did you tell me I could put my trust in youThen turn around and tell me things you know ain"t trueWhy you trying to play me boy like I"m some foolThat"s hard to just forgetYou"re too busy trying to run a game on meBut now you can"t remember what you said last weekDon"t say another word cause baby now I seeIt"s only wasted breathI"m looking for some good reasonsI"m looking for the truthBut baby that"s something I won"t get from youCause now I see right through youYour game is oh so weakAnd you were better off when you didn"t speakAfter all that"s been said and doneI should have been the only oneHow could every word be nothing moreThan wasted breathWhy did you tell me I could put my trust in youThen turn around and tell me things you know ain"t trueWhy you trying to play me boy like I"m some foolThat"s hard to just forgetYou"re too busy trying to run a game on meBut now you can"t remember what you said last weekDon"t say another word cause baby now I seeIt"s only wasted breathI"m looking for some good reasonsI"m looking for the truthBut baby the only thing I get from youIs wasted breathWasted timeWasted tears on my pillow when I criedWasted daysWasted nightsWasted dream that will never come to lifeWhy did you tell me I could put my trust in youThen turn around and tell me things you know ain"t trueWhy you trying to play me boy like I"m some foolThat"s hard to just forgetYou"re too busy trying to run a game on meBut now you can"t remember what you said last weekDon"t say another word cause baby now I seeIt"s only wasted breathWhy did you tell me I could put my trust in youThen turn around and tell me things you know ain"t trueWhy you trying to play me boy like I"m some foolThat"s hard to just forgetYou"re too busy trying to run a game on meBut now you can"t remember what you said last weekDon"t say another word cause baby now I seeIt"s only wasted breathhttp://music.baidu.com/song/697430
2023-08-12 22:15:231

Wasted Love 歌词

歌曲名:Wasted Love歌手:Wild Orchid专辑:OxygenWasted Lovewild orchidHow could you do this to me?How could you do this to me?I put my trust in youThat"s what you"re supposed to doHow could you tell all those liesWhile you"re looking dead straight in my eyes?You"re someone I thought I knewShe must have thought so tooBefore I say goodbye...Just tell me why did I give just a little but moreAnd take just a little bit lessAnd try just a little bit harderWhen it"s all just wasted loveWhy did you kiss me that way?Why did you stay?Now it"s all just wasted loveLooking back now it"s all making senseWhen you said she was only a friendFriends who were making loveWas it worth breaking up?All the answers I don"t want to knowI"ll keep asking for, after I goThe flowers they came too lateYou"ve turned the love to hate (ohh)It"s your turn now to cryJust tell me why did I give just a little but moreAnd take just a little bit lessAnd try just a little bit harderWhen it"s all just wasted loveTell me Why did you kiss me that way?Why did you stay?Now it"s all just wasted loveWe can try and lie, but we both knowToo many things have changedThe memory of her in your armsIs driving me insaneThe shattered dream just breaks my heartI can"t go on this wayI will never look at you the sameYou wear a different faceJust tell me why did I give just a little but moreAnd take just a little bit lessAnd try just a little bit harderJust tell me why did I give just a little but moreAnd take just a little bit lessAnd try just a little bit harderWhen it"s all just wasted loveWhy did you kiss me that way?Why did you stay?Now it"s all just wasted loveNow it"s all just wasted lovehttp://music.baidu.com/song/8900591
2023-08-12 22:15:311

wasted love 是什么意思

浪费了的爱
2023-08-12 22:15:582

”wasted on” 点解?

1. 浪费;滥用;未充分利用[(+on)] Don"t waste your time and energy on trifles. 别把你的时间和精力浪费在琐事上。 2. 消耗;使消瘦;使衰弱 3. 使荒芜;使荒废 The drought wasted the land. 旱灾使田地荒芜。 4. 【俚】杀害 谋杀 vi. 1. 被浪费 2. 消瘦[(+away)] She is wasting away from an illness. 她因病消瘦了。 n. 1. 浪费;滥用[U][S][(+of)] Doing such a job is a waste of his talents. 做这种工作是在浪费他的才能。 2. 废(弃)物;废料[U][P1] 排泄物 A lot of poisonous waste from the chemical works polluted the river. 化工厂的许多有毒废料污染这条河。 3. 荒地 荒野[P1] Few animals can exist in the frozen wastes of the Arctic. 几乎没有动物能在北极洲冰封的荒芜地区生存。 4. 一大片[S] 5. 消耗 损耗;毁坏[U] 6. 忽略不用 错过[U] a. 1. 废弃的 无用的 Throw out that waste paper. 把废纸扔掉。 2. 盛放废物的 排除废物的 3. 荒芜的;荒废的;未开垦的 It was a stretch of waste land. 那是一片荒地。 参考: yahoo dictionary
2023-08-12 22:16:051

wasted love 歌词

歌曲名:wasted love歌手:Marie Serneholt专辑:enjoy the rideMarie Serneholt - Wasted LoveAlbum: Enjoy The RideSo you say there"s nothing wrongThen tell me why I don"t believe youMaybe you sound just to sincereMaybe I just saw right trough youCause who"s the girlWalking there by your sideThe way she smiles I just knowI wasted loveI wasted loveI wasted all my emotions on youI wasted loveSo here the walls come tumbling downA heart"s breaking into a thousand piecesI might be damaged but I"ll be OkEverything happens for a reasonWho"s the girlWalking there by your sideThe way she smiles I just knowI wasted loveI wasted loveI wasted all my emotions on youI wasted loveEverything happens for a reasonWho"s the girlWalking there by your sideThe way she smiles I just know(I can tell by the way you smile, yeah)I wasted loveI wasted loveI wasted all my emotions on youI wasted loveI wasted love, babyI can tell by the way you smileI wasted all my emotions on youI wasted love<END>http://music.baidu.com/song/1283808
2023-08-12 22:16:151

The Time You Enjoy Wasting Is Not Wasted Time.

thetimeyouenjoywastingisnotwasted.所有你乐于挥霍的时间,都不算作浪费。
2023-08-12 22:16:222

Once time is wasted这句话对么?动词为什么不是过去式

为您解答正确,因为句子应该表示的是一惯性,一旦时间被荒废了,就会。。。而非某个过去的事件。
2023-08-12 22:16:301

l know that half of my advertising budget is wasted的意思

lknowthathalfofmyadvertisingbudgetiswasted我知道我的广告预算的一半被浪费了希望能帮你
2023-08-12 22:16:401

Not until i began to work did i realize how much time i had wasted. 部分倒装。怎么倒装?

Notuntilibegantoworkdidirealizehowmuchtimeihadwasted.这句话是已经倒装好了的句子。部分倒装有以下几种情况:1、否定副词开头:seldom、little、hardly、never等2、出现so、neither、nor3、以hadwereshould开头的虚拟条件句需用部分倒装.4、在某些表示祝愿的句子中用部分倒装eg:Mayyouhappy你的这句句子属于第一种情况。原来句子应该是:Idid"trealizehowmuchtimeihadwasteduntilibegantowork.句子否定词提前之后,主句部分倒装,变成didirealize。注意与全部倒装区别:全倒是把整个谓语提到主语前面。
2023-08-12 22:16:541

Wasted Time 歌词

歌曲名:Wasted Time歌手:The Eagles专辑:老鹰乐队现场版Well baby, there you standWith your little head, down in your handOh, my Godyou can"t believe it"s happening againYour baby"s gone, and you"re all aloneand it looks like the end.And you"re back out on the street.And you"re tryin" to remember.How will you start it over?You don"t know what became.You don"t care much for a stranger"s touch,But you can"t hold your man.You never thought you"d be alone this fardown the lineAnd I know what"s been on your mindYou"re afraid it"s all been wasted timeThe autumn leaves have got you thinkingabout the first time that you fellYou didn"t love the boy too much, no, noyou just loved the boy to well, FarewellSo you live from day to day,and you dream about tomorrow, oh.And the hours go by like minutesand the shadows come to staySo you take a little somethingto make them go awayAnd I could have done so many things, babyIf I could only stop my mindfrom wondrin" what I left behindand from worrying "bout theis wasted timeOoh, another love has come and goneOoh, and the years keep rushing onI remeber what you told me before you went out on your own:"Sometimes to keep it together, we got to leave it alone."So you can get on with your search,baby,and I can get on with mineAnd maybe someday we will find ,that it wasn"t really wasted timeMm,hmOh hoo, ooh, ohh,Ooh,ooh, mmBy Jerryhttp://music.baidu.com/song/1014011
2023-08-12 22:17:021

芳纶纤维是什么材料

芳纶纤维是一种新型高科技合成纤维。芳纶纤维全称“芳香族聚酰胺纤维”,指85%以上的酰胺键直接连在苯环上的。芳纶纤维适用于防弹衣、头盔、航空航天材料、体育用材料、轮胎骨架材料、传送带材料等方面,具有绝缘性、耐高温、抗老化等性能。芳纶纤维的特点有1、良好的机械特性间位芳纶是一种柔性高分子,断裂强度高于普通涤纶、棉、尼龙等,伸长率较大,手感柔软,可纺性好,可生产成不同纤度、长度的短纤维和长丝,在一般纺织机械制成不同纱支织成面料、无纺布,经过后整理,满足不同领域的防护服装的要求。2、优异的阻燃、耐热性能间位芳纶的极限氧指数(LOI)大于28,因此当它离开火焰时不会继续燃烧。纽士达间位芳纶的阻燃特性是由其自身化学结构所决定的,因而是一种阻燃纤维,不会因使用时间和洗涤次数降低或丧失阻燃性能。纽士达间位芳纶具有很好的热稳定性,在205℃的条件下可以连续使用,在大于205℃高温条件下仍能保持较高的强力。纽士达间位芳纶具有较高的分解温度,而且在高温条件下不会熔融、融滴,当温度大于370℃时才开始炭化。3、稳定的化学性质间位芳纶具有优异的耐大多数化学物质的性能,可耐大多数高浓度的无机酸,常温下耐碱性能好。
2023-08-12 22:07:161

什么是PIM?

PIM,production information management,即产品信息营销管理
2023-08-12 22:07:187

音标的英语单词怎么写?

音标英文:Phonetic mark。或 Phonetic symbol。
2023-08-12 22:07:181

求100道初一物理应用题及答案,可加QQ502341121发文档

版幅不够,只能80题了。1、一根阻值为20Ω的电炉丝做成电热器,接上10V电源能正常工作;用这个电热器与一个小灯泡串联接人该电源时,电热器消耗的功率是其额定功率的0.64倍。求:(1)电热器正常工作的电流和额定功率;(2)小灯泡的电阻值。2、用R1=121Ω、R2=60.5Ω的两根电阻丝,两个开关(S1、S2)设计有低、中、高三档不同的电功率的取暖器,简化如图求:(1)取暖器工作于低档时,S1、S2的断开或闭合情况是怎样的? 此时电路的电流和电功率各多大?(2)电取暖器工作于高档时,S1、S2的断开或闭合情况是怎样的?此时电路的干路电流和电功率多大?3、小灯泡L标有“6V 6W”字样,R2=3Ω,当S1、S2都闭合时,电流表示数为1.2A,这时小灯泡L正常发光,求:(1)电源电压U ; (2)电阻R1的阻值 ; (3)当S1、S2都断开时,小灯泡L消耗的功率.4、电源电压u=7.5v , R 为保护电阻,L 为标有“6 V 3w”的小灯泡,电流表量程为0~0.6A ,电压表量程为0~3v 。闭合开关S 后,要求灯L两端的电压不超过额定电压,且两电表的示数均不超过各自的量程,则滑动变阻器允许接入电路的最大阻值为多少? 5、L是标有“6V 3W“的电灯,电压是8伏特的电源求:电阻R和滑动变阻器RW的阻值各是多大时,才能使滑动变阻器的滑片P无论在什么位置上,加在电灯两端的电压都不超过3~6伏特的范围。6、有两个阻值分别为20Ω、30Ω的电阻在电路中,请你任意补充一个条件,提出问题,然后解答。(至少选择两种解。法,但要求每次补充不同条件,提出不同的问题)7、闭合开关后,用电器R1、R2均能正常工作。已知R1的额定功率为1.5 W,电流表A1的示数为0.5 A,电流表A2的示数为1.5 A。根据以上所给条件,逐一列式计算出与该电路有关的物理量。8、“220 V 500 W”的小电炉子接在家庭电路中使用,求:(1)半个小时内它能放出多少焦耳的热量?(2)你还能算出该电炉子的哪些物理量?请任意选择两个计算出来。 9、接在家庭电路上的一盏灯,在10 min内消耗的电能是2.4×104 J.求这盏灯的电功率和通过灯丝的电流. 10、一个额定电压为2.5 V的小灯泡,正常发光时通过灯丝的电流为0.2 A,求(1)小灯泡的额定功率;(2)小灯泡发光时的灯丝电阻;(3)通电1 min小灯泡消耗多少电能?11、小林家中的电能表5月18日的示数是0165.8,到6月18日时电能表的示数是0231.6,如果他家所在地区的电价是0.49元/度,请你帮他计算出他家这个月的电费是多少?12、电阻R1和R2并联后,接到6V的电源上.若开关闭合后,电流表A1、A的示数分别为0.1 A和0.3 A.求:(1)电阻R1的阻值;(2)通过电阻R2的电流;(3)电阻R1的发热功率?13、某同学家中60W的灯突然烧坏一个,现他到超市购买新的并要求换上。但在超市中发现有以下铭牌的灯:PZ36—60、“220V,60W”、“110V,60W”、你认为他应购买的灯是哪盏?并计算出此灯正常发光时的电阻是多少? 14、有“220 V,40 W”的日光灯一盏,“220 V,8 W”的日光灯两盏,“220 V,60 W”的电视机一台,“220 V,130 W”的电冰箱一台,“220 V,350 W”的洗衣机一台.那么如果这些用电器同时使用,电路中的总电流是多大?15、有R1、R2两个电阻,将它们并联后接到一个电源上.已知R1=20Ω,R2=30Ω.测得电路中的总电流为1A.求:(1)R1中的电流.(2)R1的功率是多大?16、不同粗细的保险丝允许通过的电流是不同的.一座教学楼的总保险盒中的保险丝允许通过的电流是25 A,楼里共有20间教室.每间教室装了40 W的电灯6盏,在全部电灯都亮着的时候,能不能再接上一个500 W的电炉?17、某同学家电能表的规格是“220 V,4 A”,他家已有40 W日光灯两盏,80 W彩电一台,120 W的洗衣机一台,当这些用电器同时使用时,能否再接一只800 W的电饭锅使用?18、电阻R1、R2串联接在电路中。R1=4欧姆,R2=6欧姆,通过电阻R1的电流强度为0.5安培,问  (1)这两个串联电阻两端的总电压是多少?  (2)这两个电阻在2分钟内共产生多少热量?19、R=12欧,小灯泡L的电阻为6欧,接通开关K后,A表的示数为3安,求: (1)加在灯泡上的电压是多少伏?(2)通电1分,电阻R产生多少热量?(3)通电1小时灯泡消耗多少度电?20、一只标有“220V 100W”的白炽灯,正常工作时两端的电压是多少?此时灯丝的是多少?正常工作1小时消耗是多少?21、一台额定电压为220V,制冷额定功率为1000W的空调,温度设定从原来24℃改为28℃,仅此一项措施,家中的电能表平均每天少走2.5kW·h。求:(1)这台空调正常制冷时,工作电流是多少?(2)这台空调一个月(按30天计算)可节约电能多少kW·h?(3)某“希望小学”,每间教室有两盏“220V 40W”电灯,那么这台空调一个月所节约的电能,可供这两盏电灯正常发光多少小时?22、L上标有“2.5V 1W”字样,电源为4.5伏特,量程为0~0.6安培的电流表。(1)当K1、K2都打开时,滑片P在滑动变阻器的哪一端?(2)当闭合K1,调节滑动变阻器,使电流表中的读数多大时,小灯泡才能正常发光?这时滑动变阻器的阻值是多少?(3)若此时将开关K2闭合,问通过电流表的电流会不会超过量程? 23、 “6V3W”的小灯泡一个,18伏的电源一个。要使灯泡正常发光,应在电路中连入一个多大的电阻?应怎样连接?这个电阻功率应为多大? 24、灯炮L正常发光时,求:(1)通过灯泡的电流强度是多少?(2)安培表示数是多少?25、某的工作电压为380 V,工作时流过电动机的电流为2 A,线圈内阻1Ω,试求电动机工作时,线圈每分钟产生多少热量?26、已知电源是由三个蓄电池串联而成,小灯上标有“2.5 V 0.75 W”字样,要使小灯泡正常发光,应串联一个阻值为多大的电阻?27、两个电阻R1=2Ω,R2=4Ω串联在6 V电路中,在相等时间内,你能求出哪些物理量?28、利用标有“6V 6W”的灯泡L1和“6V 3W”的灯泡L2进行实验。(1)当L1正常发光时,通过L2的电流为_____A;(2)如图1甲所示,A,B分别为通过灯泡L1和L2中的电流随两端电压变化关系的曲线。现将两灯连入如图1乙所示电路中,使其中一个灯泡正常发光,则电路消耗的总功率为_____W。29两个电阻R1=5Ω,R2=10Ω,将它们串联接在电压为12V的电路中,通过每个电阻的电流是多少?如果将它们并联接在12V电压下,每个电阻消耗的电功率是多少?(电源两极电压保持不变)30、楼房楼道内安装了5盏灯,灯泡上均标有“PZ220~40”字样,以前这个楼道内的居民节约用电意识差,不注意随手关灯,每天楼道内的灯泡平均亮2 h.后来,他们有了节约用电的意识,将楼道内的开关全部换成了声控开关,每天楼道内的灯泡平均亮20 min,请你算出他们一个月可节约多少度电?31、一个电热水器,其额定电压是220 V,他将家中的其他用电器全部关闭,将电热水器接入电路中,经过12 min,他发现电能表的示数增加了0.1度,请你帮他计算出:(1)这个电热水器的功率多大?(2)这个电热水器正常工作时的电流多大?(3)这个电热水器正常工作时的电阻多大?32、一个同学家电能表的示数是 ,现在他家里有40 W的电灯4盏,平均每天用电2.5 h,用了30天,共用了几度电?此时电表的示数为多少?33某学校电能表允许通过的最大电流是25 A,学校里已经装了40 W的电灯50盏,60 W的电灯20盏,想要再装些电灯,至少可以再装多少盏40 W的电灯?34、一个电能表,表上标有“220 V 2.5(10) A 1500 r/kW·h”的字样,将一个电灯泡和电能表在家庭照明电路中接好后,闭合开关,灯泡正常发光,他发现在4 min的时间内,电能表中间的铝质圆盘转了10转,请你计算这个灯泡正常发光1 h,消耗的电能是多少?35、R1=10Ω,当开关S 闭合时,电压表V2的示数为6V,V1的示数为3V,求:(1)有关于R2的三个物理量。(2)增设一个条件,并用两种方法求出电路中消耗的总电能是多少? 36、某电路的保险丝允许通过的最大电流是1 A,那么该电路最多能并联多少盏标有“220 V,25 W”的灯泡?37、某变电所附近的居民区,用户电压经常比正常电压高22V,①将“PZ220—40”的灯泡接入这样的电路里,灯泡的实际功率可达到多大?(设灯丝电阻不变)②要使“PZ220—40”的灯泡在电压最高时正常发光,需要串联一个式大的电阻?这时电阻消耗的电功率多大?38、图是额定电压为220V的理发用电吹风的典型电路.其中电热丝通电后可以发热,电动机通电后可以送风,正常工作时:(1)要送热风,选择开关应放在_____间.(填"AB”、“BC”或“CD"")(2)已知电动机的额定功率是120W,,当送冷风时,通电5min,电流所做的功是多少?(3)如果电热丝电阻是55Ω,当送热风时,电路消耗的总功率是多少?39、有一个用电器上标有“110 V,1500 W”的字样,(1)如果把它接在220 V的电源上使用,应该串联一个多大的电阻?(2)若用上述方法来使用0.5 h电源要消耗多少kW·h的电能?(3)这样使用它有什么不好?应怎样使用较好?40、利用电路计算电阻Rx消耗的功率.R的阻值为R0,开关S闭合后电流表Al的示数为I0,由于缺少条件,他不能算出。请你补充一个条件,帮他算出Rx消耗的功率. 41、将一未知电阻R的两端连在电池组正、负极上,测得通过R的电流强度为0.3安培;若将R与一个20欧姆的电阻串联后再连在同一电池组正、负极上,测得通过它们的电流强度为0.4安培。求:(1)电阻R的阻值。(2)电池组的电压。(3)电阻R单独接在电池组正负极上,每分钟产生的热量。42、某同学家有“220V40W”的电灯三盏,“220V30W”的电视机一部,在星期六晚上同时工作4小时。求:(1)他家电灯的总电阻,(2)当天晚上他家消耗多少度电? 43、有一种车床用的照明灯泡,它的额定电压是36V,正常工作时灯丝的电阻36Ω,求(l)该灯泡正常工作时的电功率。(2)灯泡连续正常工作10h消耗多少千瓦时的电能。 44、输送4800kW的电功率,分别采用120kV高压和240V电压输电,输电线上的电流之比是多少?损失的电功率之比是多少?45、小麴从家里带来40只规格为“10V 0.5W”的彩灯,请你替他计算,最多能将多少只彩灯接在220V的照明电路中并能正常工作?应该怎样连接?如果晚会开了5h,那么,这些彩灯一共消耗了多少KW·h的电能?46、左边虚线框内有两个阻值相等的电阻R1、 R2和一个开关S1,当开关S1闭合时,电流表的示数增加0.2 A,电路的总功率增加1.6 W。请画出两种可能的连接电路图,并分别计算电源电压U和电阻R1、R2的值。47、R=10Ω,若在电路中再串联接入一个R1=30Ω的电阻,电流表示数I1=0.25A。求:(1)若要使电流表示数I2=1.2A,需在图中如何连接电阻?阻值为多大?(2)若在图中接入一个电阻,要求接入的电阻消耗的电功率为2.5 W,有几种接法?电阻分别为多大?28、电源电压为24V,灯泡上标有“12 V 9 W”的字样,若关闭 S,当滑动变阻器滑片P在变阻器中点c时,灯泡正常发光。(1)求滑动变阻器的最大值。(2)当滑动变阻器滑片滑到b时,你能求出哪些物理量?请写出求解每个物理量的过程及结果。49、将一只小灯泡与一只阻值为4Ω的电阻串联后,接在电压为8 V的电源上,恰能正常发光,这时灯泡的电功率为4 W,求小灯泡的额定电压?50、滑动变阻器的阻值是R,电源提供的电压U不变,请通过计算说明,变阻器的滑片触头P置于何处时,变阻器上消耗的电功率最小,最小电功率是多大?(触头P始终在变阻器两端点之内) 51、蓄能电站是为合理用电,提高电力的经济效益而设计的,它的工作原理是深夜通过水泵把下水库的水抽到高处的上水库内,白天则通过闸门放水发电,以补充电能不足,天荒坪抽水蓄能电站是我国已投产容量最大,水头(落差)最高的纯抽水蓄能电站工程,其上水库可蓄水885万m3,放水时上下水库平均水头(落差)为570 m,假设晚上上水库全部蓄水,白天全部放完,发电的效率为75 %,问:(1)每天可发电多少千瓦时?(2)工程全部建成后每年可为国家发电多少千瓦时?(3)知道了蓄能电站的工作原理,要使电站全年正常发电,你认为电站的选址必须满足的两个重要自然条件是什么?52、有一种电冰箱只有在压缩机工作时才消耗电能。将一台这样的电冰箱单独接在标有“3 000 r/kW.h”字样的电能表上,测得电冰箱压缩机连续工作10min电能表表盘转过了75转。问:(1)这台电冰箱压缩机功率是____W;(2)如果测得该电冰箱某一天耗电1.2 kW.h,设压缩机每次连续工作时间都是15min,并且每次工作后间歇时间也相等,那么它每次间歇的时间可能是_____min。53、做“测定小灯泡的功率”实验,电源电压是1.5 V的整数倍(即电源由几节干电池串联组成),滑动变阻器标有“2.5 Ω 3 A”字样,所用小灯泡是额定电压为“2.2 V”、“2.5 V”、“3.8 V”中的一个,估计小灯泡的额定功率在1.2 W以内。该同学正确连接电路,闭合开关后,移动滑动变阻器的滑片,发现滑片在中点附近某位置时,小灯泡正常发光,此时电流表的示数如图所示。求: (1)小灯泡正常发光时的电流,并简要说明理由。 (2)小灯泡的额定电压,并简要说明理由。 (3)小灯泡的额定功率。 54、电源电压为12 V,将电阻R1和R2串联到电路中,已知R1的阻值约为R2的2~3倍,用电压表和电流表分别测 R l两端的电压和流过R2的电流,其数值如图,试计算 R1和R2的阻值。55、一个旧电热暖手器.铭牌上表示额定值的字样中.能看清的只有“24W”几个字.为了能正确地使用这台电器,他找来一只标有“600Ω、0.4A‘宇样的电阻,他将电阻、电热暖手器和开关串联起来接到家庭电路中。然后进行如下实验和观察:将开关接通后,电能表在5min内恰好转动411转;断开开关后电能表在3min内恰好转动240转.已知他家电能表上标有3000r/kW·h(表示每消耗l kW·h的电能,电能表的表盘转3000转),家庭电路电压为220V,张明做实验时间内,家中其它用电器用电情况没有变化,假定电热暖手器和电阻的阻值都不随温度变化.求:(1)电热暖手器额定功率是多少? (2)除做实验的支路外,张明家3min用电多少千瓦时?(3)电热暖手器和电阻支路的功率是多少? (4)电热暖手器的额定电压是多少?(结果保留整数)56、电炉铭牌模糊不清了,为了测出电炉的额定功率,让家里的所有用电器都停止工作,只接入电炉让其正常工作,然后观察家里正在运行的电能表,电能表上标有“3000 R/kWh”,利用手表计时,发现1 min转盘转了50转,那么:(1)电炉的额定功率是多少?(2)小明同学觉得电炉使用不方便,想对电炉进行改装:使电炉的功率可以为额定功率,也可以为额定功率的1/4,请你利用一个开关和一个定值电阻帮他设计一个电路,画出电路图,并计算出定值电阻的大小.57、我国在多个城市已建成近30座垃圾焚烧发电厂。(1)据报道,2009年我国某城市将建成全国最大、世界第三的垃圾焚烧发电厂,日焚烧生活垃圾将达3000t(吨),如果这些垃圾完全燃烧,每天释放的热量Q=1.5×1013J。如果这些释放的能量21.6%转化为电能,试计算这座垃圾焚烧发电厂每天发出的电能是多少千瓦时?(2)若按每户居民每天使用3个40W电灯照明5h计算,该垃圾焚烧发电厂每天发的电,可供多少户家庭照明使用?58、一个小灯泡与一个R1=5Ω电阻串联在10V的电路中,恰好正常发光,这时小灯泡的功率为5W,求小灯泡正常发光时的电阻是多少?59、在用电量很大的线路中,在电能表上安装有互感器,使电路中可以通过较大的电流,而电能表却不用制造的太大,以降低成本.已知给电能表安装上某个互感器后,当电路中用电器消耗的电能是10度时,电能表增加的示数是2度.某加工厂的电能表上就装有这样的互感器,当该厂交8月份的电费时,经电力部门计算应交2196元,这个厂的财会人员查得7月底时电能表的示数为2937.5,8月底的示数为3486.1,请你计算出这个厂的电价是多少?60、电器修理工人使用的电烙铁,通电后如果较长时间不用,烙铁头由于温度过高发生氧化,焊锡就会不容易附着在上面,影响焊接质量.某工人师傅将电烙铁的电路改装后如图,当他焊接时,闭合开关,电烙铁正常工作;当他不焊接时断开开关,使灯泡与电烙铁形成串联.如果电烙铁上标有“220 V 100 W”字样,灯泡的电阻是242 Ω,当开关断开时电烙铁消耗的功率是多少?(设电烙铁、灯泡的电阻不变)61、一个4Ω的电阻与一个用电器串联在6V电源的两端,现只知道用电器的实际功率为2W,求通过用电器的电流可能是多大?62、设灯丝的电阻为 ,且不随温度变化,已知 电压 且不变,先闭合开关S.并调节滑片P使它位于 的A处,这时 消耗功率为2W;后断开开关S,并调节滑片P使它位于 的B处,这时 消耗的功率为0.25W,电压表先后的示数之比为2:1.求:①先后通过 的电流 和 之比.②开关S断开,滑片P位于 的B处时, 接入电路中的电阻.63、如图电饭锅的电原理图,当控制开关闭合时电饭锅处于加热煮饭状态,此时功率为1000W。饭熟后,控制开关自动断开,电饭锅处于保温状态,若此时电饭锅的功率为100W,求电热板和保温器的电阻各为多少(假设电阻值不随温度的变化而变化)?64、是家用电饭锅的简化电路示意图.S1是限温开关,靠手动闭合.当温度达到103 ℃时自动断开,不能自动闭合,S2是自动开关,当温度超过80 ℃时自动断开,温度低于70 ℃时自动闭合.电阻R2的阻值是1886 Ω,R1是工作电阻,阻值为50 Ω.锅中放好适量的米和水,接入家庭电路,闭合手动开关S1后,电饭锅就能自动煮好米饭并保温.求(1)加热过程中电饭锅消耗的电功率P1是多大?(2)保温过程中电饭锅消耗的电功率P2是在哪两个值之间跳动?65、一根阻值为20Ω的电炉丝做成电热器,接上10V电源能正常工作;用这个电热器与一个小灯泡串联接人该电源时,电热器消耗的功率是其额定功率的0.64倍。求:(1)电热器正常工作的电流和额定功率; (2)小灯泡的电阻值。66、用R1=121Ω、R2=60.5Ω的两根电阻丝,两个开关(S1、S2)设计有低、中、高三档不同的电功率的取暖器,简化如图求:(1)取暖器工作于低档时,S1、S2的断开或闭合情况是怎样的? 此时电路的电流和电功率各多大?(2)电取暖器工作于高档时,S1、S2的断开或闭合情况是怎样的?此时电路的干路电流和电功率多大?67、小灯泡L标有“6V 6W”字样,R2=3Ω,当S1、S2都闭合时,电流表示数为1.2A,这时小灯泡L正常发光,求:(1)电源电压U ; (2)电阻R1的阻值 ; (3)当S1、S2都断开时,小灯泡L消耗的功率.68、电源电压u=7.5v , R 为保护电阻,L 为标有“6 V 3w”的小灯泡,电流表量程为0~0.6A ,电压表量程为0~3v 。闭合开关S 后,要求灯L两端的电压不超过额定电压,且两电表的示数均不超过各自的量程,则滑动变阻器允许接入电路的最大阻值为 。69、L是标有“6V 3W“的电灯,电压是8伏特的电源求:电阻R和滑动变阻器RW的阻值各是多大时,才能使滑动变阻器的滑片P无论在什么位置上,加在电灯两端的电压都不超过3~6伏特的范围。  75、L为标有“6V 3W”字样的灯泡,R2的阻值为12欧姆。(l)电键K1、K2断开时,L恰好正常发光,这时电流表是多少?(2)电键K1、K2闭合时,示数表为1.1安培,求电阻R1的阻值。70、滑动变阻器的滑动片P从中点移到b端时,电压表前后示数之比是1.6∶1求:(1)P在变阻器中点和P在b端时电灯L消耗电功率之比;(2)若变阻器的阻值Rab=60欧,电灯L的电阻是多少? 71、R1=R2=30欧姆,K1、K2都断开时,安培表的读数为0.3安培,伏特表的读数为3伏特,求: (1)电阻R3=?(2)K1、K2都闭合时,R1、R2、R3上消耗的电功率各为多少?72、标有“220V 800W”的用电器串联一个变阻器,让用电器在220伏和200伏的电压间工作。电路的电源电压为220伏,求:(1)用电器的电阻多大? (2)应选变阻范围为多大的滑动变阻器?73、电源电压为24V,小灯泡标有“4V 2W"字样,定值电阻R2的阻值为240Ω,当S1、S2都断开且滑片P移到滑动变阻器的中点时,灯Ll正常发光,求: ⑴灯泡L的电阻; ⑵滑动变阻器的; ⑶当S1、S2都闭合时,调节滑片P,电路消耗总功率的最小值。74、滑动变阻器R0的滑片位于右端,当开关S1闭合、S2断开时,电流表的示数为I1,电阻R1消耗的电功率P1=2W;当开关S1断开、S2闭合时,电流表的示数为I2电阻R2消耗的功率为P2=2W。若I1∶I2= 2∶1。求:⑴R0和R2的比值;⑵开关S1断开、S2闭合,滑片位R0中点时,电路消耗的总功率。 75、S是温控开关, 为发热板,当饮水机处于加热状态时,水被迅速加热,达到预定温度时,开关S自动切换到另一档,饮水机便处于保温状态。(1)试确定温控开关S接a或b时,分别对应的工作状态。(2)若饮水机加热时发热板的功率为550W,而保温时发热板的功率为88W,求电阻 的阻值。76、由电源引到某工地的一只“220V、100W”的灯泡亮度较暗,测得该灯泡的实际功率只有81瓦,而电源的电压确为220伏。输电导线上消耗的功率约有多大?你在计算中用到了什么近似?77、Rl=400Ω,R3=20Ω,电源电压U=12V,当Sl、S2断开时,电流表的示数为0.1A.求:(1)R2的阻值.(2)Sl、S2闭合时电流表的示数.(3)Sl、S2闭合时,通电10s电路产生的热量.78、L为标为“3V 0.15W”的一只灯泡,R的阻值为120欧姆。(1)当开关K2闭合,K1断开时,L恰好正常发光,此时安培表和伏特表的示数各是多少?(2)当开关K1闭合,K2断开时,安培表和伏特表的示数各是多少?79、A是标有“24V 60W”的用电器,E是电压为32伏特电源,K是电键,B是滑动变阻器,若确保用电器正常工作,请在图中把电路连接起来,并求出滑动变阻器B中通过电流的那段电阻值和它消耗的电功率。  80、灯泡L与电阻R并联,已知R的电阻值是L灯泡电阻值的4倍,此时安培表的读数I1=2.5安培,若将灯泡L与电阻R串联如图所示,则灯泡L的功率P2=0.64瓦特,求:(1)灯泡L与电阻R串联时安培表的读数I2是多少?(2)灯泡L的电阻R是多少?  81、为调整直流电动机的转速,往往串联一个可变电阻器,M为小型直流电动机,上面标有“12V、24W”字样,电源电压为20伏特,当电动机正常工作时,(1)可变电阻的阻值是多少? (2)电源供电的总功率和可变电阻上消耗的功率各是多少?82、调节滑动变阻器使电压表读数为10伏时,变阻器的电功率为10瓦,调节滑动变阻器到另一位置时,电压表的读数为5伏,此时变阻器的电功率为7.5瓦,求电源电压U和定值电阻R0的大小。  83、电源是9伏,小灯泡是“6V 3W”,滑动变阻器滑动片P从M移到N时,连入电路的变阻器的电阻值从0变到12欧。 (1)当滑片P停在N端时,小灯泡正常发光,伏特表的读数是4.5伏,这时安培表的读数应是多少?(2)小灯泡正常发光时,滑动变阻器连入电路中的电阻应是多少?84、电池为6伏特,R1=6欧姆,R2=3欧姆,R3=4欧姆。求:(l)当电键K2打开,电键K1拨到b位置时,求R1中的电流强度?(2)当电键K2闭合,电键K1拔到a位置时,求R1中的电流强度和R2上消耗的电功率。85、使用电热毯时,发现有高温和低温档,图甲、乙分别为电热毯的模拟电路图(1)甲中定值电阻R1=10Ω(电热毯外部),电炉丝R2=20Ω,请计算低温档时发热电功率;(2)乙中两根电炉丝R2=20Ω、R3=10Ω,计算高温档时发热电功率;(3)请指出你认为好的设计电路,并说明优点和缺点。86、额定电压为220伏特的电热煮水器,在正常工作时通电12分钟,电度表的示数增加0.1度,问:  (1)这个电热煮水器的功率多大?  (2)电热煮水器的电阻多大?  (3)如果供电电压降到200伏特,它的实际功率多大?87、额定功率为2瓦特的小灯泡,与一阻值为4欧姆的电阻串联,然后接在6伏特的电源上,恰能正常发光,求小灯泡的电阻和额定电压的可能值。 88、 R1=20Ω,R2=40Ω(1)当开关S1、S2都闭合时,电流表A1的示数是0.6A,小灯泡恰好正常发光,请求电源电压和小灯泡的额定电压各多少?(2)当开关S1、S2都断开时,电流表A2的示数是0.2A,求小灯泡的电阻和实际功率?(3)小灯泡的额定功率是多少?
2023-08-12 22:07:101

外贸合同上的ICPO是什么意思?

ICPO: Irrevocable Corporate Purchase Order (不可撤消的购买订单)推荐信息:外贸中经常用到的词汇LOI: Letter of Intention (由买方出具的购货意向书)BCL: Bank Capacity Letter(由买方出具的银行资金证明)或写成"Bank Conform Letter", 一个意思.FCO: Full Corporate Offer(卖方出具的负责的意向性合同),非正式合同,一般要在合同中注明:" This is not to be circulated and is only for the purpose of this transaction only"POF: Proof of Funds(由买方出具的资金证明),说明他开出的信用证已有资金保证.而BCL只能说明公司的资信.POP: Proof of Product(产品证明),由律师出具,由第三者保存附带条件委付盖印的契约,送达买方银行.PB: Performance Bond (履约保证金), LOI的关键条款,只有付了PB, 买方开出的信用证才有效. 信用证一般为不可撤消的保兑的即期信用证.
2023-08-12 22:07:063