气阱\n【化】 残存空气; (帘布层间)气泡; 气窝(蒸汽系统); 气袋\n【经】 气包, 空中陷井, 气潭

air jet loom

air receiver

air-conditioning of tank

United States Air Force

air spray disinfecter and disinfectant

air-conditioning

air-conditioning unit【制冷】

air line lubricator