heating ventilating and air conditioning 供热通风与空气调节 ; 暖通空调 ; 加热通风和空调
Refrigeration and air-conditioning mechanic 制冷与空调技工 ; 冰箱和空调技工 ; 空调机械师 ; 制冷及空调机械工
Refrigeration and Air Conditioning 船舶制冷和空调 ; 制冷技术
Refrigeration and air conditioning Mechanic 冰箱和空调技师 ; 空调技工 ; 冷冻空调技工
ventilation and air conditioning 通风空调 ; 通风与空调 ; 通风和空调
Mechanical Services and Air-conditioning Plumber 机械师和空调管道工
heating ventilation and air conditioning 采暖通风及空调 ; 暖通和空调 ; 暖通空调
Heating and Air-conditioning 供暖与空调
Heating and air conditioning 暖气与空调
ventilation and air conditioning system 通风与空调系统 ; 通风空调系统
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