【摘要】 通过对峻德煤矿放顶煤开采工艺的实际研究 ,在总结现场实践经验的基础上 ,提出了应用时应重点解决的几个问题 ,以确保放顶煤开采的成功率更多还原

【Abstract】 Through the actual research on roof coal caving mining technology at Junde Coal Mine,on the basis of summing up practical experience,point out several problems that should be sowed so as to ensure the successful rate of mining.更多还原