Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:Sababu ya msingi ni kuwa kiwango cha usambazaji wa umeme ni masikini, kuna viwanja vya wazi, viwanja vya wazi, vituo vya[Soma maandishi yote]
Muhtasari:The conductor insulation of power transformer is the main part of internal insulation. Some conductors should pass throu[Soma maandishi yote]