PDF(2128 KB)
3D Design for Mine Tunnel and Approximate Method for Calculating Its Space Distance
Hu Jinhu,Ding Shuyun,Sun Changxin,Wang Jiangfeng
Chinese Journal of Underground Space and Engineering ›› 2012, Vol. 8 ›› Issue (2) : 296-300.
PDF(2128 KB)
PDF(2128 KB)
3D Design for Mine Tunnel and Approximate Method for Calculating Its Space Distance
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