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- Applications: Installed outside all kinds of sewage pools' body to drain sludge and other filth from pool bottom. 用途：安装在各类污水池体外，用于排除池底泥沙及污物。
- This research probes into the feasibility of compost and reuse as construction materials of drain sludge. 对利用城市排水管污泥进行堆肥和做建材进行了探讨。
- Municipal solid waste (MSW), sewage dewatering sludge (SDS) and drain sludge (DS) are the main pollutant problem in modern cities. 城市垃圾和污水脱水污泥、排水管污泥已成为现代城市污染的主要问题。
- By using the experiments of high-tempreature oxic static compost, we know that the drain sludge can compost and satisfy the harmless treatment requirments in our country. 通过采用高温好氧混合静态堆肥进行实验，可知排水管污泥经堆肥处理后，可达到我国的无害化处理要求。
- This paper introduced the reconstruction Condition of under Well water storehouse drained sludge electric Control System and economic benefits have been obtained. 本文介绍了井下水仓排泥电控系统的改造情况及所取得的经济效益。
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The drain is blocked and needs unplugging. 排水管堵塞了，得疏通一下。
- The bathtub drain needs repairing. 浴盆的排水管需要修理。
- All hands turned out to repair the terraces and drain the water. 所有劳动力都出来整修梯田，排除积水。
- All of our best laid plans are down the drain. 我们所有精心布置的计划都付之东流
- A sewer or drain crossing under a road or embankment. 涵洞横在公路或堤岸下面的下水道或排水管
- drainable sludge 可脱水污泥,可增稠污泥
- If you leave college, all that money has gone down the drain! 你要是中断大学的学习，你花的钱就会都付诸东流了。
- Military spending is a huge drain on the country's resources. 军费开支是国家资源的一大消耗。
- A thick, messy substance, such as sludge. 粘糊糊的东西粘稠肮脏的东西，如软泥
- Boil the vegetables for 20 minutes and then drain off the water. 把蔬菜煮上20分钟，然后把水沥掉。
