... 隧道凿进法 Tunnel driving method 腿道测量 Tunnel surveying 干坞出水洞 Tunnel，dock drainage ...
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railway tunnel surveying 铁路隧道测量
tunnel control surveying 隧道控制测量
tunnel demarcation surveying 隧道限界测量
surveying for tunnel 隧道测量
surveying of tunnel contour 隧道断面测量
The core is that 3d tunnel model is constructed by loading section on basis of 2d tunnel line, which are according to data of tunnel surveying.
该方法的核心是以巷道测量点数据为基础，通过在二维巷道线上加载断面的方法来自动构建三维巷道模型。
Also, the optimizing the tunnel design and the construction are according as the result of surveying of the tunnel contour.
同时，隧道断面测量的结果还是优化隧道设计和施工的重要依据。
Therefore surveying the tunnel cross section is the key for rebuilding the existing tunnels.
隧道横断面的测量就成为既有隧道改建的关键。
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