1.
The sewers discharge out at sea.
下水道的污水排入海里。
2.
a block in the pipe, gutter, drain, etc
阻塞管道、 排水沟、 下水道等的污物
3.
sewer cleasing sludge
从下水道清出的污泥
4.
gulley emptier/sewage equipment
清沟机/下水道设备
5.
The sewer was gorged with rubbish
下水道塞满了垃圾。
6.
The bathtub drain needs repairing.
浴盆的下水道需要修理。
7.
plunge a rod into a blockeddrain to clear it
用棍通下水道使之畅通.
8.
a drain that was jammed By deBris.
被残余物阻塞的下水道
9.
Drains and gutters require to be flushed.
下水道和阴沟必须冲洗。
10.
Mud choked the drainpipe.
淤泥堵塞了下水道.
11.
To clear a blockage from(a drain, for example).
从（如下水道）中排除障碍
12.
The pipe connects with the sewer.
这根管子连接下水道。
13.
The place where a sewer, drain, or stream discharges.
出水口阴沟、下水道或河流排水的地方
14.
A small proportion of the streets were sewered.
一小部分街道铺有下水道。
15.
On upper floors， plugged drains may cause flooding.
楼上堵塞的下水道也许会引起淹水。
16.
The drain is clogged again and there's water all over the bathroom floor.
下水道又堵了，整个浴室地面都是水。
17.
We waste the dirty water by channeling it into the sewer.
我们通过沟槽把脏水排放到下水道中。
18.
unstop a sink, toilet, drain, etc
疏通洗涤槽、 抽水马桶、 下水道等.