Hauj lwm lawm
Kev tsis
Hauv cov kab mob dimeric acid, pleev xim, surfacant ntau lawm thiab siv los ua cov ntxhia seperation
Cim npe nrov: oleic acid qis titre solidifying / mineral seperation tus neeg sawv cev, Tuam Tshoj, tuam ntxhab, nqe, quotation, dawb qauv
