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本集概要：

中(zhong)國，正在修建12條防(fang)治(zhi)大(da)氣污染的(de)“西電(dian)(dian)(dian)(dian)東送(song)”輸(shu)電(dian)(dian)(dian)(dian)大(da)通(tong)道(dao)，其(qi)中(zhong)一條是(shi)世界上海拔最高(gao)、電(dian)(dian)(dian)(dian)壓(ya)(ya)等級(ji)最高(gao)的(de)特(te)高(gao)壓(ya)(ya)直流輸(shu)電(dian)(dian)(dian)(dian)線路，電(dian)(dian)(dian)(dian)壓(ya)(ya)等級(ji)達(da)到800千伏(fu)，相(xiang)當于我們日常電(dian)(dian)(dian)(dian)壓(ya)(ya)220伏(fu)的(de)3600倍！要(yao)把特(te)高(gao)壓(ya)(ya)的(de)電(dian)(dian)(dian)(dian)力從云南輸(shu)送(song)到2000公里外的(de)深(shen)圳，這需要(yao)有(you)澎湃(pai)動(dong)力的(de)“巨型心臟”，這種“巨型心臟”共有(you)24顆，將來，這條“輸(shu)電(dian)(dian)(dian)(dian)大(da)動(dong)脈”能(neng)滿足深(shen)圳市四分之一的(de)用電(dian)(dian)(dian)(dian)量！

【責任編輯：陳航】