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本集概要：

中國，正在(zai)修建12條防治(zhi)大氣污染的“西電(dian)(dian)(dian)(dian)東送(song)”輸電(dian)(dian)(dian)(dian)大通道，其(qi)中一條是世界上海拔最高(gao)、電(dian)(dian)(dian)(dian)壓(ya)等(deng)級(ji)最高(gao)的特(te)高(gao)壓(ya)直流輸電(dian)(dian)(dian)(dian)線路，電(dian)(dian)(dian)(dian)壓(ya)等(deng)級(ji)達(da)到800千(qian)伏，相當(dang)于(yu)我們日常電(dian)(dian)(dian)(dian)壓(ya)220伏的3600倍(bei)！要把特(te)高(gao)壓(ya)的電(dian)(dian)(dian)(dian)力(li)從云(yun)南(nan)輸送(song)到2000公里外的深圳，這需要有(you)(you)澎(peng)湃動(dong)力(li)的“巨型心臟(zang)”，這種“巨型心臟(zang)”共有(you)(you)24顆，將來，這條“輸電(dian)(dian)(dian)(dian)大動(dong)脈”能滿足深圳市四分之一的用電(dian)(dian)(dian)(dian)量！

【責任編輯：陳航】