摘要
结合我国数十处煤矿山开采的实际，提出如何划分我国煤矿山深浅部界线、划分的依据及划分必要性。
Combining the practice of coal winning in some coal mines,some questions about how to divide the deep or shallow boundary in our country's coal mine,what is the dividing proof and what is the diving improtance are put forward in this paper.
出处
《辽宁工程技术大学学报（自然科学版）》
CAS
1999年第1期23-26,共4页
Journal of Liaoning Technical University (Natural Science)
关键词
深部开采
动力异常
临界深度
煤矿
采矿
deep part mining
abnormal motive power, relevant force level, critical depth
