They are tearing up the street to repair a sewer.
他们正挖开马路修下水道。
A boy walking to school and saw the road had a sewer lid, then go…
一个男孩走路去上学，看见路上有个下水道盖子，便去盖上，准备走的时候，…
New York has a serious sewer problem.
纽约有很严重的污水问题。
Stay overnight in a concrete sewer pipe on the banks of the River Danube.
在多瑙河河畔的混凝土下水管里住一夜吧！
They found an alligator in a New York sewer.
他们在纽约的下水道里发现一条鳄鱼。
一个可爱的大下水道。
The two pipes which connect with the sewer have been blocked up for a month.
这两条与下水道相连的管子已经堵了一个月。
The design of a drain or sewer is influenced by a number of factors.
下水道和排污管的设计受到若干因素的影响。
The design of a drain or sewer is influenced by a number of factors.
下水道和排污管的设计受到若干因素的影响。
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