三山岛金矿“三下”开采工艺优化与灾害防治 |
王善飞,王康,马凤山,卢蓉 |
Optimization of Three-underground Mining Technology and Disaster Prevention in Sanshandao Gold Mine |
Shanfei WANG,Kang WANG,Fengshan MA,Rong LU |
图2 三山岛金矿浅部采矿模型和点柱采矿示意图 |
Fig.2 Shallow mining model and sketch map of point pillar mining in Sanshandao gold mine |