三山岛金矿“三下”开采工艺优化与灾害防治
Optimization of Three-underground Mining Technology and Disaster Prevention in Sanshandao Gold Mine
1.第一次回采范围；2.第二次回采范围；3.第三次回采范围；4.第四次回采范围；5.第五次回采范围；6.第六次回采范围
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 |
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Optimization of Three-underground Mining Technology and Disaster Prevention in Sanshandao Gold Mine |
| Shanfei WANG,Kang WANG,Fengshan MA,Rong LU |
| 图3 交替上升充填采矿法回采纵投影图 1.第一次回采范围；2.第二次回采范围；3.第三次回采范围；4.第四次回采范围；5.第五次回采范围；6.第六次回采范围 |
| Fig.3 Vertical projection section of panels in deep mining level |
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