YG20 imhando ye simende carbide, kunyanya tungsten carbide.Iyo haipindi kurapwa kwekupisa, ine yunifomu yemukati uye kunze kuomarara, uye inokodzera kugadzirwa kwehuwandu.YG20 yakakodzera kugadzira zvidhinha mold, senge kudhinda mawachi zvikamu, mimhanzi chiridzwa chiridzwa mapepa, nezvimwe, ...
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