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air passage的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:
英英釋義
Noun:
-
a duct that provides ventilation (as in mines)
air passage的用法和樣例:
例句
- Propeller fans are used to move free air within a room or through channels having low frictional resistance.
螺旋槳式風(fēng)機通常用于房間內或通過(guò)風(fēng)道時(shí)移動(dòng)自由氣流時(shí),產(chǎn)生微弱的摩擦阻力。