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这个算是解释了
kking
(捣蛋)
Trap Primer Explained-Small Pipe In Floor Drain-How Does It Work
In this video, I show you and tell you what a trap primer is. This is also known as a trap seal primer, and it basically ensures that water is always kept in...
https://www.youtube.com/watch?v=O50Bl-XKWPw
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Last Updated: 1-24
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关于地下室带trap primer的水龙头奶白小胶管(图中紧靠墙的)水流量过大的问题,
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