Ojiji nke carburizing ihe
Dị ka ụwa ama ika nke ala sọlfọ calcined, graphitized carburizing gị n'ụlọnga na mbenata gị n'ụlọnga maka chemical ngwaahịa, anyị na-agbalịsi ike ike uru n'ihi na ihe karịrị 3000 nnukwu ígwè igwe nri, foundries na chemical osisi na 65 mba gburugburu ụwa.Nke mbụ, igwe igwe igwe, na agbaze pr ...