片语
air condition ventilation空调通风
blast air and ventilation送排风
air exhausted ventilation抽出式通风
night air-ventilation夜间通风
fresh air displacement ventilation新风置换通风
air draught空气气流;空气通风
air inlet ventilation进气通风
air outlet ventilation排气通风
air change ventilation system置换通风系统
civil air defence ventilation人防通风