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Tungsten Copper Mzere Wopangidwa Ku China
Mau oyamba Tepi yamkuwa ya Tungsten imagwiritsidwa ntchito nthawi zambiri mu ma SF6 ophulika othamanga kwambiri.Tungsten mkuwa amaganizira zabwino matenthedwe madutsidwe ndi madutsidwe magetsi mkuwa palokha, komanso ali ndi makhalidwe apamwamba kusungunuka ndipo akhoza kupirira arc dzimbiri pamlingo waukulu., kotero ndi yotchuka kwambiri mu makampani opanga magetsi.Zogulitsa ...
