all outside air system

large enthalpy drop outside air unit

outside air

outside air intake

outside air intake louver

outside air temperature

air air heat exchanger

air opening

air-air data transmission

air-air heat exchanger

air-air intercooler

air-air Missile

air-air missile fire

all-air air conditioning system

collocation of air opening

condensation of air opening

opening air insulation equipment

plate-type air-air heat exchanger

Pressure of air opening