air passage
英
美
- 气路；风道
详细释义
Noun:
-
a duct that provides ventilation (as in mines)
双语例句
- Propeller fans are used to move free air within a room or through channels having low frictional resistance.
螺旋桨式风机通常用于房间内或通过风道时移动自由气流时，产生微弱的摩擦阻力。
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