ACtuallly 下水管 has a leak.

来源: 2016-02-04 10:20:27 [旧帖] [给我悄悄话] 本文已被阅读:

Not the white one, but the black one connected to the white one.  It is a very small leak, so I am using duct tape for the leak. 

At some point, I do have to replace it.