air engine
空气发动机
空气机航空发动机
航空发动机
闭循环燃气轮机
空气机
动力机
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
variable air volume (VAV) air conditioning system
variable air volume air conditioning system
12V180ZJC diesel engine