drain drainage区别

英语翻译
Suturing of the drainage material may be necessary to maintain its position so that the wound remains saucerized.This procedure pertains to both intraoral and extraoral wound dressings.The retention of dressings that maintain saucerization of the wound for intervals of 5 to 7 days without replacement is recommended unless clinical symptoms indicate intervention.
要自己翻译~不要自动翻译机来直接翻译~
某些专门医学单词可以不翻译~

问英语句子
The city was even equipped with a drainage system,for a great many clay pipes were found beneath the narrow streets
逗号后面为什么用for啊?我觉得用and对啊.
它的解释是for 引导原因状语从句

英语翻译
Model Dimensions
l x d x h (mm) Power Water Drainage Boiler size Element size
1 group 500 x 560 x 540 13 amp single phase 15 mm cold water with a washing machine connection 40 mm drain with U trap and upstand 6 litres 2.8 Kw
重点是13amp single phaes 和U trap什么的

英语翻译
1.Floods disrupt normal drainage system in cities and typically overwhelm sewer systems.Thus,raw or partially raw sewage spills are common in flooded area.Additionally,（if the flood is severe enough）,destruction of building（ that can contain a large array of toxic materials） can cause the release of these materials into the local environment,which leads to severe environment pollution.
2.The zone of saturation is the area of soil and rock （whose pore spaces are completely filled with water）,and which is entirely devoid of soil air.This zone is technically termed ground water （even though the term broadly includes water in the zone of aeration）.
3.Drip irrigation,（also known as trickle irrigation）,functions as its name suggests.Water is delivered at or near the root zone of plants,drop by drop.This method can be the most water-efficient method of irrigation,if managed properly,（since evaporation and runoff are minimized）.In modern agriculture,drip irrigation is often combined with plastic mulch,further reducing evaporation,and is also the means of delivery of fertilizer.The process is known as fertigation.
4.Reservoir,（designed for one purpose,incidentally serving other purposes）,shall not be called a multipurpose reservoir,（but will be called so,only if designed to serve those purposes also in addition to its main purpose）.
5.The most important of forces on dams are （gravity,hydrostatic pressure,uplift,ice pressure,and earthquake forces）.These forces are transmitted to the foundation and abutments of the dam,which react against the dam （with an equal and opposite force）,the foundation reaction.

英语翻译
Abstract
Based on a stochastic approach,drainage in a layered soil profile with macropores waspredicted using a one-dimensional numerical flow model.Soil hydraulic functions,0(~) andK(~b),were obtained from laboratory measurements on undisturbed 100 cm 3 soil cores.The coreswere collected in 60 different locations for each of three soil horizons along a 31 m transect on asandy loam soil.The effect of a stochastic description of 0(~b) and K(~b) on predicted fluxes andwater content profiles was evaluated with the aid of Monte-Carlo simulations.Initially simulationswere carried out with the actual field data.Alternatively,500 sets of the multi-normal parametervector P = {0 s,a,n,K s} were generated and used in a Monte-Carlo simulation approach.Inaddition,deterministic calculations were carried out using (1) arithmetic mean values of untransformedhydraulic parameters,(2) arithmetic mean values obtained after backtransformation ofGaussian distributed parameters,and (3) alternatively using a set of mean bimodal retention andconductivity curves.Predictions obtained with the two stochastic methods and the deterministiccases are compared with measured cumulative outflow and moisture content profiles from fifteen1m long undisturbed soil columns collected along the same transect.All simulations based onunimodal hydraulic functions underestimated the mean observed drainage.If actual field data areused,the mean outflow is 74% of the mean measured cumulative outflow,compared to 70% forthe Monte-Carlo simulation.The range mean -I- two standard deviations of the simulated outflowfor both methods is considerably smaller compared to the measured range of variation.Deterministicpredictions of the total drainage amounted to 83,83,and 127% of the observed drainage forthe cases 1,2,and 3,respectively.Observed outflow curves displaying macropore flow could not be predicted with the unimodal Richards' flow equation.The results indicate that the field-scale unsaturated flow behaviour in soils with macropores cannot be accurately predicted assuming aunimodal retention characteristic.This is true for both the mean drainage but even more so for the extremes.The use of bimodal hydraulic functions considerably increased the total drainage,resulting in an overprediction of the mean measured drainage.Predicted soil water contents in the 1 m deep soil profile are mostly higher than the measurements.Contrary to the drainage,the range of variation of the predicted water contents is always larger than the measured variability,except for the surface values.

此句句子成分分析,
The city was even equipped with a drainage system,for a great many clay pipes were found beneath the narrow streets．