空调室外机的安装、维修和维护服务，由低温技术人员使用真空泵和歧管压力表抽真空，身穿蓝色衬衫和棒球帽 免版税库存图片 空调室外机的安装、维修和维护服务，由低温技术人员使用真空泵和歧管压力表抽真空，身穿蓝色衬衫和棒球帽
Woman hands removing dust filter from modern air conditioner maintenance and cleaning of home climate control system replacing 免版税图库摄影 woman hands removing dust filter from modern air conditioner maintenance and cleaning of home climate control system replacing
