I suppose you have 4 inch cast iron pipe. Maybe you can dig down

来源: borisg 于 2015-07-02 08:42:02 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (98 bytes)

回答: The problem is the connection is under the porch, so I would hav 由 Kittycat2014 于 2015-07-02 08:33:34

inside the 4 inch pipe under the porch. If you can't do that then you have to take out the porch.

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