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简介：一条穿越世界屋脊的输电线路，一段挑战生命极限的艰苦历程。本片讲述了青藏交直流联网工程的重大意义，这个大型电力工程项目的决策过程，整个电力的勘察和设计过程以及在青藏高原这一特殊环境中施工所遇到的一系列困难。收起
穿越昆仑（上）[探索发现] 20120302
穿越昆仑（中）[探索发现] 20120303
穿越昆仑（下）[探索发现] 20120304
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