• 介绍青岛胶州湾湾口海底隧道工程概况和国内间距隧道研究现状

    The subsea tunnel engineering that lies at Jiaozhou Bay in Qingdao is introduced, as well as the research status of little distance parallel tunnels in China.

    youdao

  • 介绍青岛胶州湾湾口海底隧道工程概况和国内间距隧道研究现状

    The subsea tunnel engineering that lies at Jiaozhou Bay in Qingdao is introduced, as well as the research status of little distance parallel tunnels in China.

    youdao

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