Sanding casting ndiyo yakajairika yekukanda nzira ine zviyero zvinotevera: 1. Mutengo wakaderera: uchienzaniswa nedzimwe nzira dzekukanda, mutengo wejecha casting yakaderera. Sand inowanika uye yakachipa metsial meterial, uye maitiro ekugadzira jecha zvakareruka, uye haadi comp ...
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