| 1. | Discussion on improving coal resources recovery
提高煤炭资源回采率的几点意见 |
| 2. | Probing into reasonable design of working section recovery
对合理设计采区回采率的探讨 |
| 3. | Study on relation between resources recycle rate and expenses
资源回采率与费用关系研究 |
| 4. | Entry bolt supporting in fully mechanized top - coal caving face in xuchang mine
提高综放面回采率有效措施的探讨 |
| 5. | Application of recovering triangle coal and increasing recovery in xinli mine
回收三角煤增加回采率在新立矿中的应用 |
| 6. | Ideas for increasing top - coal recovery coefficient of the fully mechanized sub - level caving face
提高综采放顶煤回采率的设想 |
| 7. | Exploration and practice of raising recovery rate in suspanding movable support caving working face
悬移支架放顶煤工作面提高回采率的探索与实践 |
| 8. | The approach of improving the coal recovery rate of comprehensive mining caving coal in severe inclined think coal seam
提高综采放顶煤开采急倾斜特厚煤层回采率的途径 |
| 9. | The significance of ratio of mining recovery and its influences on charge of compensation tax for mineral resources
开采回采率系数的意义及其对矿产资源补偿费影响的探讨 |
| 10. | Study and test for recovery rate of the top coal in fully mechanized face using caving method and the methods for raising the coal recovery rate
综放面顶煤回收率试验研究及提高回采率的途径 |
