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
Green Paper on Housing Subsidy to Tenants of Public Housing
Report of the Committee on Housing Subsidy to Tenants of Public Housing