Muaj ntau lawm yuav ua li cas yuav carburizing tus neeg sawv cev?
Carburizer tsis yog tus nqi siab dua yuav zoo dua, nws qhov zoo yog txwv los ntawm ntau yam, xws li cov ntsiab lus ruaj khov, cov ntsiab lus sulfur, cov ntsiab lus dej, cov khoom tsis haum.Nws kuj muaj kev sib raug zoo nrog cov yam ntxwv ntawm cov khoom, cov txheej txheem siv hauv kev siv thiab ...