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      重慶開謹科技首頁輪播圖

      Construction safety monitoring managemen...

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      Construction safety monitoring management system p...

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      The construction safety monitoring and management system of gateway tunnel was completed in August 2015. The system mainly consists of tunnel wireless video surveillance equipment and personnel and vehicle management equipment. Owner unit: China Railway eleven Bureau Group Fifth Engineering Co., Ltd.

       

      Deformation monitoring and management sy... Gezhouba Dam group Xin Dian tunnel safet...
      精品国产AV色欲果冻传媒

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