Zvigadzirwa zvekugadzira zvinonyanya kabhoni simbi uye alloy simbi, inoteverwa nealuminium, magnesium, mhangura, titanium uye alloys avo. Mamiriro ekutanga echinyorwa ibar, ingot, simbi poda uye simbi yemvura. Chiyero chemuchinjiko-chikamu nharaunda yesimbi isati yasvika uye mushure mekushandurwa kunodaidzwa ...
Verenga zvimwe