1. A ventilating shaft, as in a mine. 
   （比如矿井中的）上风井
2. A slatted, ventilating opening, as on the hood of a motor vehicle. 
   放气孔有条板的换气口，比如在车辆的引擎盖上
3. A passageway or shaft in which air circulates, as in ventilating a mine. 
   通风道，换气坑空气流通的通道，如使矿井通风的风道
4. vertical or sloping passageway for finding or mining ore or ventilating a mine. 
   为了发现或采矿或使矿井通风而设计的竖直或倾斜的管道。
5. A vertical, sloping passageway made in the earth for finding or mining ore and ventilating underground excavations. 
   竖井地面下一竖直、倾斜的走道，用于探矿或采矿及地下作业的通风

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