Cov ntaub log polishing tuaj yeem cuam tshuam nrog qhov txawv txav, cov nyhuv yog qhov zoo, tab sis qhov ua tau zoo yog tsawg heev.Nws yog tsuas yog siv rau cov khoom zoo xws li crafts.
Qhov chaw qhov tseeb yog tswj tsis pub dhau 0.15mm thiab kab pheeb ces kaum sib txawv nyob rau hauv 0.8mm.Raws li qhov yuav tsum tau txiav cov khoom thiab tuab, tuaj yeem txiav ntau daim hlau tib lub sijhawm, txo cov sijhawm ntau lawm, cov kev txiav tsis raug, tsis muaj kev koom tes hauv kev txiav, ua kom cov txheej txheem txiav zoo tshaj plaws.
Post lub sij hawm: Dec-09-2021