Practice on strengthening coal recovery ratio management 加强煤炭资源采出率管理的实践
2.
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
3.
Preliminary discussion on the way to raise coal recovery rate during fully mechanized caving mining 浅谈提高综采放顶煤回收率的途径
4.
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
5.
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
