tooj liab casting
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tooj liab casting
Bronze casting yog ib yam ntawm cov khoom siv tooj liab uas tau siv dav hauv kev lag luam kev lag luam, nkoj tsim, tsheb thiab kev tsim kho kev lag luam.Cov khoom nrov tshaj plaws ntawm cov tooj liab tuaj yeem raug cais tawm raws li Cu-Sn, Cu-Al, Cu-Pb, Cu-Mn castings.Hauv qab no yog cov qhab nias
