adjustable secondary air baffle
horizontal swing of orifices of the secondary air
Secondary Air
次级空气
二次空气
二次进风
二次风
二次爆破
辅空气
二次通风管
二次辊碎机
次氣流
secondary air counter-flow
water of secondary tank
air tank
气柜
气罐
空气罐
空气筒
储气罐
空气箱
风箱
气箱
贮气罐
浮箱
储罐
氧气筒
secondary seta secondary hair
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