协同理念下岩金矿脉群连续回采顶板安全跨度研究
聂兴信,甘泉,高建,冯珊珊
Research on Safety Roof Span in Continuous Mining of Gold Vein Group Under Synergistic Concept
Xingxin NIE,Quan GAN,Jian GAO,Shanshan FENG
图5
采场实体模型图
Fig.5
Solid model diagram of stope