制冷系统故障 breakdown of the refrigerating system
冰堵 freeze-up
冰塞 ice plug
脏堵 filth blockage
油堵 greasy blockage
液击（冲缸、敲缸） slugging
湿行程 wet stroke
镀铜现象 appearance of copper-plating
烧毁 burn-out
倒霜 frost back