PDF(374 KB)
APPLICATION OF GEODETIC QUADRANGLE METHOD IN THE CONTROL SURVEY OF TUNNEL PORTAL PLUMBING
DUAN Jie
Journal of Railway Engineering Society ›› 2006, Vol. 23 ›› Issue (1) : 11-14.
PDF(374 KB)
PDF(374 KB)
APPLICATION OF GEODETIC QUADRANGLE METHOD IN THE CONTROL SURVEY OF TUNNEL PORTAL PLUMBING
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