短语词组短语Refrigerant å oil 冷冻机油Refrigerant t Oil 冷冻油Refrigerant U oil 冷冻机油refrigerant -oil mixture 制冷剂含油Refrigerant E Oil 冷冻油Refrigerant Oil Separators 油分离器Polarized Refrigerant Oil Additive 添加剂;空调节能添加剂 返回 refrigerant oil