pob kws grit tshuab ua haujlwm khiav

Pob kws pob kws grits tshuab kev khiav:

Cov pob kws grits ua tshuab feem ntau muab faib ua peb ntu, pob kws tev ib feem, pob kws crushing thiab sib tsoo ib feem, thiab cov pob kws grading thiab polishing ib feem, thawj feem yog cov tub ntxhais ntawm pob kws grits, thiab cov nyhuv ntawm cov tiav lawm. pob kws thiab cov nyhuv ntawm pob kws tev ib feem. Kev cuam tshuam ncaj qha, cov pob dub thiab cov bran tsis tuaj yeem raug tshem tawm thiab cuam tshuam ncaj qha rau kev ua haujlwm ntawm cov khoom tiav, yog li lub tev ntawm pob kws grits ua tshuab yog tus yuam sij rau lub tshuab grits. Qhov thib ob yog qhov crushing, uas crushes pob kws rau hauv ntau qhov sib txawv ntawm pob kws grits, pob kws grits, pob kws grits, pob kws grits, thiab pob kws hmoov nplej. Qhov thib peb yog kev muab qhab nia thiab polishing ntawm cov khoom tiav. Cov pob kws tiav lawm tau muab qhab nia thiab polished, thiab peb cov khoom tiav tiav yog tsim tawm ntawm qhov chaw xa tawm.