不是city sewer:( .沒注意外麵是6寸還是4寸，但室內這段應該是4寸，連接這段也必定要換成大小接口。

來源: 守月於 2024-01-26 08:42:03 [舊帖] [給我悄悄話] 本文已被閱讀：次

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