PDF(2190 KB)
Exploration on the Connect Technology between the Two Open Cut Tunnels' Entrance
GAO Shu-feng
Journal of Railway Engineering Society ›› 2014, Vol. 31 ›› Issue (6) : 68-71.
PDF(2190 KB)
PDF(2190 KB)
Exploration on the Connect Technology between the Two Open Cut Tunnels' Entrance
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