银西铁路新永首梁隧道的洞外控制网的建立
李金祥
Establishment of Control Network Outside New Yongshouliang Tunnel on Yinchuan-Xi'an High-Speed Railway
LI Jinxiang
测绘通报 . 2018, (8): 142 -144 .  DOI: 10.13474/j.cnki.11-2246.2018.0263