摘要
通过对马兰矿 2 #煤高档工作面跟顶留底煤和托顶煤两种采煤方法数的比较 ,说明了在现有条件下托顶煤开采的经济性、可行性。
By comparing two pattern mining methods of Malan coal mine 2 # coal mechanical mine face,proves that adopting support top coal minting is economy,feasible and suitability under the present situation.
出处
《西山科技》
2002年第5期32-34,共3页
Xishan Science & Technology
