https://plumbingdynamicsdallas.com/plumbing-vent-work/#:~:text=Vents,oxygen%20into%20the%20waste%20pipes.
应该有个管子大概一寸左右粗,通倒屋顶。
爬到屋顶,拉上garden hose,找到那个管往里灌几分钟水大概就好了
• 另外一个link -sneezy888- ♂ (286 bytes) () 06/26/2020 postreply 19:02:10