如果空调用的是旧的冷媒，所有的铜管都得换。新冷媒的压力高。

来源: PtLandlord 于 2021-11-23 10:43:51 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.