短语词组短語Refrigerant å oil 冷凍機油Refrigerant t Oil 冷凍油Refrigerant U oil 冷凍機油refrigerant -oil mixture 制冷劑含油Refrigerant E Oil 冷凍油Refrigerant Oil Separators 油分離器Polarized Refrigerant Oil Additive 添加劑;空調節能添加劑 返回 refrigerant oil