很大可能换屋顶的给你搞坏了。
air vent. 连接下水的。应该在roof开口。原来有flashing and rubber boot 和seal.
所有跟帖:
• 我也是怀疑是这样的,正对着上面roof有个小洞,但是已经被封住了 -最爱荷花- ♀ (77 bytes) () 01/16/2024 postreply 13:16:47
• 我也是怀疑是这样的,正对着上面roof有个小洞,但是已经被封住了 -最爱荷花- ♀ (77 bytes) () 01/16/2024 postreply 13:16:47
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