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- main drainage ditch 总排水沟
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- 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。
- Adjacent layout of irrigation channel and drainage ditch. 同级灌溉渠道和排水沟道实行单侧控制的布置形式。
- 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。
- Do not allow the drain line to empty directly into a drainage ditch, sewer system, or sump. 不要让排放管道直接排放到排放坑、污水管道系统或污水坑内。
- 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。
- He was thrown clear of the car but landed in, or crawled into, a drainage ditch dug to reclaim swampland. 父亲被抛出窗外，落在或者是爬进了一个挖好的用来开垦沼泽地的排水沟中。
- 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、水管或污水坑里。
- Officers finally used a lasso and metal poles to coax the alligator into a drainage ditch leading to a lake. 警员最后利用一个套索与金属竿，把鳄鱼诱往连结湖泊的排水沟。
- With decompress well and drainage ditch to drain and decompress can effectively reduce groundwater level and prevent immersion outside reservoir. 减压井和排渗沟联合排渗减压是降低地下水位、防止库外浸没的有效措施。
- I'll put your application for mains drainage to the committee on monday. 关于你的新的排水方案我会在 周一的会上提出来得
- In combination with the Yingbulu engineering,the author studied deeply the influence of drainage plan drainage well pit impervious curtain,drainage ditch drainage well on seepage field. 用有限元法结合英布鲁水电枢纽工程,对降水方案选择、基坑防渗帷幕、排水沟、排水井对基坑渗流场的影响进行了研究。
- water storage in main drainage canal 大沟蓄水
- LI C A, ZHANG Y F.Geoscientific factors analyses on the through cutting of main drainages and the formation of flood damage in China [J].Exploration of Nature, 1997, 16(59):61-64. [5]李长安;张玉芬.;中国主要水系贯通和洪灾形成的地学因素分析[J]
- Computer Aided Design of Airport Drainage Ditch 机场排水结构物计算机辅助设计
- Automation Control System of Main Drainage Used in Coal Mine 矿井主排水自动化控制系统
- Insist that they be treated with respect, not used as garbage dumps or drainage ditches, but as living systems essential to the wellbeing of society. 一定要以敬重之心对待它们，不要将它们用做垃圾倾倒场或下水道，而要将它看作对社会的福祉从根本上起着作用的有生命的系统。
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Ways of digging drainage ditches in the basement and replacing blader with shovel for ploughing are proposed for prevention and control of slop slide. 针对滑坡的原因，采取具体的防治措施：一是在排土场基底开挖疏干排水沟；二是改排土犁排土为电铲排土工艺。
