1.
A drainage passage, as to a culvert.
排水沟排水通道，如阴沟
2.
Measurement analysis of existing water channel conducing mine flood
矿井水灾之渗水通道存在的实测分析
3.
plunge a rod into a blockeddrain to clear it
用棍通下水道使之畅通.
4.
A passage or gallery in a coal mine.
通道煤矿中的通道或水平巷道
5.
A natural or artificial channel through which water flows.
水道自然或人工的水流通道
6.
The aisles were packed solid.
过道上也挤得水泄不通。
7.
ventilation and drainage of exploratory tunnel
坑探勘探坑道通风排水
8.
open-flued gas water heater
普通烟道式气体热水炉
9.
They are busy clearing out the drains.
他们正忙于疏通排水道。
10.
Air pressure forces the water through the pipe.
空气压力使水通过管道.
11.
Water from the sea comes through this opening into San Francisco Bay.
水从大海通过这条通道流入旧金山湾。”
12.
We have to call a plumber to unblock the drain
我们得叫管工来通一通下水道
13.
We had to call a plumber to unblock the drains.
我们得叫管工来通一通下水道.
14.
Gutters or channels on each side of a ship's keelson that drain bilge water into the pump well.
污水道，通水孔船底龙骨两侧用来排污水的水槽或水道
15.
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。
16.
unstop a sink, toilet, drain, etc
疏通洗涤槽、 抽水马桶、 下水道等.
17.
The pipe of fume hood should upward through the roof. There should be water pipe and water sink in the fume hood.
通风柜，通风橱的管道要通到屋顶，通风橱内要有水管，水槽。
18.
"aqueduct: a pipe or channel designed to transport water from a remote source, usually by gravity."
导水管: 沟渠设计用于从远地水源输水的管道或通道,通常通过重力(输送)。