airgapn.空隙(空气间隙)airn.空气；天空；空中；感觉；神态；曲调；装腔作势v.晾干；使通风；广播Air Liaison Display对空联络显示(器)air adjusting valve空气调节阀air cleaner element滤气器元件air defence control防空管制air leak tachometer漏气式转速表air filter material空气滤清材料air compressor room空气压缩机室air cargo logistics航空物流air-dry roughages风干粗料Air Reporting Point空中报告点