回复：回复：如果几乎肯定有问题，可以从下面割开一点看

来源: be_nice 于 2012-11-08 07:27:34 [] [旧帖] [给我悄悄话] 阅读数 : (236 bytes)

most likely, it is not the leaking, but the sound from water and pipe.

PVC pipe have this problem, i have a townhouse before, we think the same way, after getting someone, they are sure it is the sound from the pipe(PVC).

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