air gun
气枪
气
气体炮
风动铆枪
喷漆枪
空气枪
压缩气喷嘴
气铆钉枪
空气炮
Air Leakage Rate of Air Preheater
air to air heat recovery unit
air to air missile launching envelope
arctic air [= arctic air mass]
continental air [= continental air mass]
main air port exhaust air
marine air [= marine air mass