Maererano yedu mutengi racho, isu akawedzera kuwanda nezvinhu zvedu chiwanikwa sepombi kusanganisira Cooper nickel zvinhu. Kusanganisira C70600 (CuNi 90/10), C71500 (CuNi 70/30), C71640 (CuNiFe66 / 30/2) uye C44300, zvino isu vakabudirira aivigirwa yezvokutengeserana zvigadzirwa kuna Brazil, mugumo User is ...
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