短语词组短語drying by circulating air 循環空氣乾燥by y air 乘飛機;通過航空途逕By Cold Air 受冷空氣影響by CNF Air Karachi 裝運目的地by the air of 通過by pass air control 旁通空氣控制pressurization by compressed air 空氣定壓by pass air duct 旁路空氣導琯 返回 by air