7
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耐火電(dian)線(xian)電(dian)纜的(de)結構(gou)和普(pu)通(tong)電(dian)線(xian)電(dian)纜基(ji)本相同(tong)，不同(tong)之處(chu)在于耐火電(dian)線(xian)電(dian)纜的(de)導體采(cai)用耐火性能(neng)好的(de)銅導體(銅的(de)熔(rong)點為1 083℃)...
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2022-11
電(dian)(dian)力電(dian)(dian)纜(lan)和架(jia)空導(dao)(dao)線(xian)(xian)(xian)和架(jia)空導(dao)(dao)線(xian)(xian)(xian)在電(dian)(dian)力系(xi)統（主干線(xian)(xian)(xian)）中(zhong)都是用于(yu)傳送(song)和分配大功(gong)率電(dian)(dian)能(neng)的線(xian)(xian)(xian)路中(zhong)。...
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