FuPing 发表于 2014-12-8 17:40 - k9 x- p& G. k. T) D( 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, ...
) e& B+ u5 f z, Y& CCould 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.