The Lanzhou-Xining-Lhasa optical cable trunk line, the highest in the world, has gone into service ahead of schedule. Vice-Premier Wu Bangguo offered telephoned congratulations on its completion...
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The Lanzhou-Xining-Lhasa optical cable trunk line, the highest in the world, has gone into service ahead of schedule. Vice-Premier Wu Bangguo offered telephoned congratulations on its completion...