n.排水沟

drainage ditches───n.排水沟

drainage wind───重力风

drainage winds───流泄风

drainage system───排水系统，渠道系统；水系；引流装置

drainage area───排水面积

drainage areas───排水面积

drainage basin───（美）（河流的）[水文]流域；流域盆地

drainage holes───排水孔（drainagehole的复数）

drainage tube───[外科]引流管；排水管

We must dig a drainage ditch to run off the water.───我们得挖一条排水渠把水排掉.

My uncle claims that he was raised in a drainage ditch, but it's just another of his tall tales.───我叔叔说他是在排水沟里长大的，这是他编造出来的又一个荒诞故事。

This paper studies the application of digital elevation model (DEM) to the design of the surface drainage ditch system.───研究数字高程模型(DEM)在滑坡地表排水辅助设计中的应用。

Never pipe the discharge line directly into a drainage ditch, sewer or sump.───不要把排泄管直接插入排泄地漏 、 污水管或污水坑里.

Alongside each irrigation canal a drainage ditch was dug.───沿着每一条灌溉渠,他们还挖了一条排水沟.

When the dead leaves were cleared away from the drainage ditch dirty water surged out.───当枯树叶子从排水沟中被清除后,脏水很快大量流出去了.

The relief valve should never be solidly piped into a drainage ditch, sewer or sump.───安全阀绝不能用坚硬的管道连接到排水沟 、 排水管或污水坑里.

Methods Using Yekang gel bait to killing cockroaches inside the residetial quarters and using hot smog in drainage ditch and heating ditch.───方法用晔康杀蟑胶饵对单位家属楼室内，用拜力坦热烟雾对排水沟、暖气沟进行现场灭蟑实验。

A drainage ditch around them would probably do more good than anything else.

Never pipe the discharge line directly into a drainage ditch, sewer or sump.

At one stage the whole congregation went outside to see where the drainage ditch would be sited.

Away we went, the Corporal talking about getting into a drainage ditch to hide our scent.

We must dig a drainage ditch to run off the water.

Puzzling over this,(Sentencedict.com ) I nearly miss a water rail which scuttles off down a drainage ditch towards the loch of Westsandwick.

Bear right to cross the drainage ditch by the stone bridge.

A drainage ditch, for example, has an impact far beyond itself.

Alongside each irrigation canal a drainage ditch was dug.