1. Ukukhethwa kwe-aluminiyam i-alloy stamping kufuneka kususelwe kwiimfuno zentsebenzo yeemveliso zestampu ukujonga amabakala azo ezinto eziphathekayo.Ngokubanzi, amabakala e-aluminium alloy material asetyenziselwa isitampu yi-1050, 1060, 3003, 5052, 6061, 6063, njl. 2. Xa ukhetha i-aluminium alloy sta...
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