Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:Kifaa cha umeme umeme umejeruhiwa na wimbo wa kofu au foli na kiliondolewa kwa fiber ya glass. Ubadhibu wa epoxy hawahit[Soma maandishi yote]
Muhtasari:(I) the distance between the external contour of kV and below dry-type transformer and the surrounding guardrail or cour[Soma maandishi yote]