FuPing 发表于 2014-12-8 17:407 H5 y6 w3 o; Y+ l. B. ^7 J
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, ...
" T! t7 z+ N: V! P0 Q3 P' hCould 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.