請敎我過濾流量怎麼算?? - 社會議題

By Doris
at 2008-07-02T00:00
at 2008-07-02T00:00
Table of Contents
比方說,我的>>設定壓力兩公斤20加侖的水要多久過完過濾面積0.75ft2孔徑0.2u的濾材,另外問一下假如有黏度的話,單位是什麼,又要如何計算。
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社會議題
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By Irma
at 2008-07-05T02:24
at 2008-07-05T02:24
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