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Hloov dua siab tshiab ntawm qhov loj me ntawm cov pob molecular (mesh thiab mil)
Mesh tus naj npawb qhia tau tias cov khoom me me, cov roj ntsha suab molecular ib leeg yuav hmoov, tab sis qhov tseeb lawv tau hais; Tus me dua tus naj npawb me me, cov molecular sieve perr iab yog txo qis, thiab jiuzhou molecular sieve hais txog li 8 * 12 mesh yog loj. Qhov dav dav ...Nyeem ntxiv
Kev lag luam xov xwm
Xa lus nug
Txhua yam teeb meem, thov koj xav tiv tauj peb. Teb nyob rau hauv 24 teev.