现在家用的PVC管一般是4寸或6寸。我看见挖出来锈坏的老铁管子都比较粗，有8-12寸。

来源: 守月于 2025-02-11 06:54:31 [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.