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水道排水管

2019-02-16View Original

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配管工事をしているとき、図面に上水道の排水管があるのが見えますが、皆さん、これは何に使うものでしょうか?
Reply #22019-02-16
二つの意味があると思います。一つは水道管の汚物排出用で、つまり管内の汚物を排出するためのもので、一時的な点検時の圧力解放などにも使えます。二つ目は排水管で、オーバーフロー管として使用されます。

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