air change rate
空气交换率
通风换气次数
换气率
换气次数
通风率
空气更新率
大马色网
air change ventilation system
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
change analysis of dynamically change
Hour after hour control
1# 10000 m3 air separation unit