ventilation shaft meaning in English

通风井道
通风竖井
通风塔

Ride the train to the ventilation shaft
乘火车到达通风井找到柱状物体。
Linkage measure technique of ventilation shaft in qidong coal mine
利用井下不通视点测设中线的方法
Planning of near - shaft network of west ventilation shaft in xinii coal mine
新集矿西风井近井网的布设
Breaking causes and repair technology of east mine ventilation shaft in sihe mine
寺河矿东风井筒断裂原因及治理技术
It ' s a ventilation shaft
这是通风管道

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