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air line
athlet. 直线跑道; 两点间的直线距离
auto. 供气管道
dril. 气管线; 架空线路; 航空线路
ecol. 空气管
el. 航空线
eng.geol. 风管; 通气管; 架空线; 航线
oil.proc. 压缩空气管线
tech. 直线; 轻便架空通信线路; 空气管道; 风道〔管〕
air-line ['eəlaɪn]
agric. 架空线; 直线; 定期航线
Air Line
exhib. 航空公司
air line: 99 phrases in 25 subjects
Agriculture1
Architecture1
Automobiles13
Aviation12
Business5
Chemistry1
Communications1
Compressors1
Drilling1
Ecology1
Economy2
Electric machinery1
Electronics8
Engineering geology2
General13
Golf1
International trade4
Metallurgy4
Nautical1
Oil / petroleum4
Refrigeration2
Skydiving2
Space4
Technology12
Wind Energy2