谢谢!
再谢波大, it makes sense! 这Condo就两层,楼上y型连接上头有pipe(通气?)么,还只用一个盖盖上
所有跟帖:
• the vent goes through the roof (typically without cover). -borisg- ♂ (0 bytes) () 08/07/2022 postreply 20:38:48
• 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