FuPing 发表于 2014-12-8 17:40 ) A# E V! u* n G/ L5 `6 n/ z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, ...
" w0 e# k9 a7 M4 _8 ?Could 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.