Investment casting, inozivikanwawo seyakarasika wax casting, yakagadzirwa makore 5,000 apfuura.Iyi nzira yekukanda inopa chaiyo, inodzokororwa uye inogoneka zvikamu zvine simbi dzakasiyana uye yakakwirira kuita alloys.Iyi nzira yekukanda yakanakira kukanda kunhuhwirira uye chaiyo zvikamu ...
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