[guǎn dào]
[工] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting; line of pipes; pipe alley
soil pipeline
污水管道
gas pipe
煤氣管道
fire fighting pipeline
消防管道
piping erection
管道安裝
pipe a new house for water
為新房子安裝自來水管道
The piping outside the house needs painting.
室外的管道需要油漆了。