Otu kristal corundum abrasive, nke ihe mejupụtara ya bụ otu kristal, nwere ezigbo mbelata ọnụ ọtụtụ ọnụ, ike siri ike na ike siri ike, ikike igweri siri ike, yana obere ikpo ọkụ.Ọdịmma ya bụ ọnụ ahịa mmepụta dị elu na mmepụta dị ala, ya mere ọnụahịa ahụ dị oke elu.Zirconium corundum abrasive bụkwa ngwakọta kristal nwere ike siri ike dị ntakịrị, nha kristal dị mma na nguzogide dị mma.
Oge nzipu: Mar-01-2023