99% of time, it's cause by tree roots, the other 1%, some body drove right on top of it.
I agree with Sweetptt
所有跟帖:
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如果真是樹根,怎樣保證換了管子後,不會有新的樹根長進去?
-melody2010-
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06/19/2012 postreply
07:31:10