金川二矿区+1 000 m中段水平矿柱回采方法研究 |
寇永渊,李光,邹龙,马凤山,郭捷 |
Study on Mining Method of Horizontal Pillar in the Middle Section of +1 000 m in Jinchuan No.2 Mining Area |
Yongyuan KOU,Guang LI,Long ZOU,Fengshan MA,Jie GUO |
图4 双“V”型和单“V”型回采示意图 |
Fig.4 Schematic diagram of the double V and single V mining |