别的不懂。cast iron 管道建议干脆一次性全部更换掉。做事要做彻底不要留下隐患。

来源: Sunbury 于 2023-09-22 04:12:07 [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.