... 地空电流 air-earth current 排风道，出风道 air-exhaust passage 抽气设备，抽气器，抽风机 air-extractor ...
双语例句
1
The exhaustpassage exhausts the air of the cooling chamber at the upper reach along the moving direction (X) of the guiding passage.
排气通道在导入通道的沿搬运方向（X）的上游侧，排出冷却室内的 空气。
2
Following the gradual enlargement of steam generation pressure, the flow velocity of exhausting steam is accelerated; then, the valve core is pushed upwards to block an airexhaustpassage.
随着产生蒸汽的压力逐渐增大，排出蒸汽的流速加快，将阀芯上推堵住排气通道。
3
Ventilation cabinet includes exhaustair tunnel, supply air tunnel, transport tunnel, pedestrian tunnel, equipment cavern, cross-passage etc.