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世界上穿越冻土里程最长的直流输电线路——青藏直流联网工程目前进入全面施工阶段,到2012年将全线建成投入运营,大大改变西藏冬春季节缺电现状。
The world’s longest direct transmission line through the permafrost - the Qinghai-Tibet DC network project is now entering a comprehensive construction phase, by 2012 all the lines put into operation, drastically changing the status quo of power shortage in winter and spring in Tibet.