| 1. | Co - deploiting technology from open - air to underground 露天转地下联合开采技术探讨 |
| 2. | Production practice of combined mining in fully mechanized coal face and blasting mining face 综采面与炮采面联合开采的生产实践 |
| 3. | Evaluation of the safety of combined mining of thin seams under water body in mined area 老空区水体下薄煤层联合开采的安全性评价 |
| 4. | Research on ground pressure monitoring in combined open pit underground mining in tonglushan mine 铜绿山矿露天地下联合开采地压监测研究 |
| 5. | On the open pit - underground combined mining scheme for the east wing orebody at xingqiao pyrite mine 新桥矿东翼矿体露天地下联合开采方案探讨 |
| 6. | Practice on roadway layout of combined mining in steep inclined thin seam group at zhaojiaba coal mine 赵家坝煤矿急倾斜煤层群联合开采的工程实践 |
| 7. | Hereby the safety of the combined mining of thin seams under the close gob water was evaluated 根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。 |
| 8. | Study on the economical distance during combined coal mining in steep inclined thin seam group with small space between seams 急倾斜煤层群联合开采合理错距研究 |
| 9. | An approach to the slide mode of slope rock mass while exploited with the combination of open - pit and underground mining 地下与露天联合开采边坡岩体滑移模式的探讨 |
| 10. | Study on the combined mining scheme for the period of transition from opencasting to underground mining at jianlong iron mine 建龙铁矿露天转地下过渡期联合开采方案研究 |