网络释义
1)Conditioning,暖气通风及空调2)heating ventilation and air conditioning,采暖通风及空调3)HVAC(Heating Ventilating and Air-conditioning),暖气，通风与空调4)heating and air conditioning system,暖风及空调系统5)heating and ventilation and air conditioning,采暖与通风空调6)heating,ventilation and air,采暖、通风、空调