1. Sib sib zog nqus filtration Cov khoom siv lim no yog qhov xoob, thiab qhov sib txawv ntawm cov fiber ntau thiab fiber ntau.Piv txwv li, zoo tib yam polyester koob xav muaj qhov sib txawv ntawm 20-100 μm.Thaum qhov nruab nrab particle loj ntawm cov plua plav yog 1 μm, thaum lub sijhawm ua haujlwm lim, ib feem ntawm cov khoom zoo ...
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