Ana amfani da na'urar gwajin juriya ta musamman don auna juriyar juriyar manyan taswira, tasfoma, janareta, manyan injina, masu ƙarfin wuta, igiyoyin wuta, masu kamawa da sauran kayan aiki.GD3127/3128 Gwajin Resistance Insulation Operation da gwajin st...
Kara karantawa