[das] 排


vapor pipe, vent pipe, steam-exhaust pipe, steam exhaust piping
[die]



路。排


exhaust steam pipe, steam-exhaust pipe, steam exhaust piping, vent pipe
[die]



路;排


exhaust steam pipe, steam-exhaust pipe, steam exhaust piping, vent pipe
[die] 排气

,泄放

vent pipe
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