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1455121157

有没有人懂城市光缆的

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  •   1455121157 · Jul 3, 2016 · 3577 views
    This topic created in 3649 days ago, the information mentioned may be changed or developed.
    像黄浦江珠江那种河流一般是把光缆建在桥上还是江底里
  • 光缆
  • 黄浦江
  • 河流
  • 珠江
    1 replies  •  2016-07-03 21:51:56 +08:00
    alect
        1
    alect  
       Jul 3, 2016
    一般都是直接用光缆船直接铺在河床上
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