Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:Katika maisha maalumu ya kila siku, mabadiliko yaliyotumwa na mafuta yanaachiwa nje kwa namna ya mawimbi. Wimbi hii ni k[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]