• 介绍暗挖隧道曲线导向测量方法——弦线弦线支原理应用

    This paper introduces the theory and its application of the curvilinear guided survey methods in concealed excavation of tunnels, such as chord offset method and tangent offset method.

    youdao

  • 介绍暗挖隧道曲线导向测量方法——弦线弦线支原理应用

    This paper introduces the theory and its application of the curvilinear guided survey methods in concealed excavation of tunnels, such as chord offset method and tangent offset method.

    youdao

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