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well | |||
air shaft; ventilating shaft | |||
vent shaft | |||
air relief shaft | |||
air intake shaft; light well; venting shaft | |||
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air-handling shaft; air inlet shaft; air-relief shaft; air shaft; air well; ventilating shaft; ventilation shaft |
通风 竖 井 : 9 phrases in 5 subjects |
Architecture | 1 |
Electric machinery | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 1 |
Technology | 5 |