Enqubweni yokucubungula izimboni, i-copper ne-copper alloy workpieces njengethusi, ithusi elibomvu, nethusi zigcinwa isikhathi eside, futhi ukugqwala kwethusi kuzovela phezulu.Ukugqwala kwe-Copper ebusweni bezingxenye zethusi kuzothinta ikhwalithi, ukubukeka kanye ...
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