[das]

汽

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

路。

汽

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

路;

汽

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

气

,泄放

vent pipe
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