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我认为那个小孔的水是用来把固体排泄物冲上S trap。咕哩咕噜的声音通常来自水喉不畅通,是下游的问题。看看这个油管视频。
2841999
(四友)
https://www.youtube.com/watch?v=sXYtW0lkOxM
(#12084658@0)
Last Updated: 2019-5-12
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