Nyob rau hauv xyoo tas los no, tus nqi txuas ntxiv ntawm abrasive blasting media tau ua rau cov nqi tseem ceeb ntawm kev lag luam xws li kev tsim khoom, kho nkoj, thiab kho cov qauv steel. Txhawm rau daws qhov teeb meem no, cov lag luam yuav tsum ua kom zoo dua ob qho tib si kev yuav khoom thiab siv cov tswv yim los txo cov co...