vent pipe        
[das] 排汽vapor pipe, vent pipe, steam-exhaust pipe, steam exhaust piping

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[die] 废汽路。排汽exhaust steam pipe, steam-exhaust pipe, steam exhaust piping, vent pipe

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[die] 废汽路；排汽
exhaust steam pipe, steam-exhaust pipe, steam exhaust piping, vent pipe

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[die] 排气，泄
vent pipe