I agree with Sweetptt
99% of time, it's cause by tree roots, the other 1%, some body drove right on top of it.
所有跟帖:
• 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- ♀ (0 bytes) () 06/19/2012 postreply 07:31:10