1)air pipe,空气导管2)additional air ducting,辅助空气导管3)carburettor air duct,化油器空气导管4)fresh air duct,新鲜空气导管5)antiacing air line to intake,进气口防冰系统空气导管6)intake duct to turbojet engine,通涡轮喷气发动机的空气导管
用法和例句
the vertical of air pipe and load characteristic is the important index sign to measure the good and bad of air pipe design.