Tšepe e Phahameng ea Khabone (Tšepe e Phahameng ea Khabone) eo ka tloaelo e tsejoang ka hore ke tšepe ea tšepe, e nang le khabone ho tloha ho 0.60% ho isa ho 1.70%, e timang le ho futhumatsa.Lihamore le li-crowbars li entsoe ka 0.75% carbon steel;lisebelisoa tsa ho seha tse kang li-drill, lipompo le li-reamer li entsoe ka 0.90% ho isa ho 1.00% carbon steel.Bokaholimo ba galvanized ...
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