PVC就无须担心了，只要接头不出问题，不会坏。老铁管才会锈烂。

来源: 守月于 2025-05-01 20:04:56 [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.