Cov txheej txheem tshiab nyob rau hauv ntau lawm Magnesium Oxide

magnesium oxide, ib daim ntawv thov loj rau magnesium oxide yog nyob rau hauv kev lag luam abrasive. Tom qab ntsuam xyuas cov khoom sib txawv, cov qib sib txawv, peb cov qib tshwj xeeb yog qhov feem ntau rov qab ua piv rau lwm cov khoom lag luam. Thiab tseem lub pob zeb yog tus zoo thiab zoo.