摘要
根据毕各庄煤矿生产的实际需要,研究出两种回收煤柱的方法,解决了矿井水平接替紧张的问题,而且回收了大量的煤柱,达到了较好的技术经济效果。
According to the actual need of the production of Bigezhuang coal mine, two methods of collecting coal column have been researched. The tense problem of mining levels to take over has been solved and conected plenty of coal columns. A better effect that is technical and economic has been reached.
出处
《华北科技学院学报》
2003年第1期23-25,共3页
Journal of North China Institute of Science and Technology
