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- 大雨过后，下水道溢出水来。
The drains overflowed after the heavy rain.
- 一共填了78条沟，并敷设了下水道。
A total of78 ditches were filled in and sewers were laid.
- 下水道出入孔一种常带有盖的孔道，人可以由此孔进出排道、锅炉、下水管或类似设施
A hole, usually with a cover, through which a person may enter a sewer, boiler, drain, or similar structure.
- 这两条与下水道相连的管子已经堵了一个月。
The two pipes which connect with the sewer have been blocked up for a month.
- 卫生间的下水道堵住了。
The sewer in the toilet was blocked.
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