the vent goes through the roof (typically without cover).
所有跟帖:
•
再次谢波大!所以大概是y管上接通风管的联接处,flush短时冲力大时,水就从那里逾出来了
-山地野沟-
♂
(0 bytes)
()
08/07/2022 postreply
20:50:39