air brake switch 空气轫开闭器...air crash 飞机失事...a castle in the air 空中楼阁...radioactive air pollution 放射性空气污染...hang in the air 未完成,未核实...land-air a.地对空的...air humidification 空气增湿...air [єә]n.空气,旋律,态度v...air hostess 空中小姐...air-cure 空气硫化法...laminar air navigation and antic-ollision 气层航行防撞仪...air-core coil 空心线圈...forced air cooling tube 迫风冷却管...air pressure switch 气压开关...accumulator air 空气蓄压器...adjustable air condenser 可调空气电容器...air operated chuck 气动夹头...air packing 气对...air mail receipts 航空托运单...air space insulation 空隙绝缘...air break switch 空断开关...
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