排水渠首 的英文怎麼說
中文拼音 [bèishuǐqúshǒu]
排水渠首
英文
head of drain-
The ditches are the first pool of diffuse nutrients from rain runoff and field drainage, and are shaped to a net work in the area of the lower reaches of the changjiang river where the cultivation manner of fields are rotation of rice and wheat. now we have learnt little about the mechanisms of pollutants trasport and transformation in ditch wetlands
長江下游水稻-小麥輪種區溝渠濕地呈網路狀密集分佈,是降雨徑流和農田排水的首要匯聚地,我們對污染物在溝渠濕地中遷移轉化的機理還知之甚少,本文分析了: 1As one of the three main parts of the dujiangyan irrigation system, it controls the water that flows into the baopingkou water inlet and discharges flood and sand with its top graphical feature
巧妙利用河道地形的泄洪排沙工程,為控制內江進水量的關鍵所在,是都江堰渠首工程三大主體之一。
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