FuPing 发表于 2014-12-8 17:40( l3 R0 A! | T. }( S$ b+ x
谢谢您的回答,如果是您说的这个问题,是不是要卸掉浴缸?浴缸上我能拧开的地方都拧开了,什么都看不到, ...
; c& d5 Q( P1 I6 P+ \2 `2 e4 I+ oCould be condense water from some vents, like the drain vent thorough the roof... I have heard the dropping sound for 10 years but I did not find any thing before I sold the house.