摘要
概述了东山煤矿"三下采煤"技术发展现状、工艺流程、技术要求及发展过程中遇到的难点问题,并对"三下采煤"技术给东山煤矿带来的经济效益和社会效益进行了分析。
An overview ＂Dongshan coal mining under three＂ technology development status, process flow, technical requirements and the development process encountered difficult problems, and the ＂three mining＂ technology brings to the Dongshan coal mine economic benefit and social benefit are analyzed.
出处
《科技与创新》
2015年第3期111-111,共1页
Science and Technology & Innovation
关键词
“三下采煤”
充填技术
开采方法
巷道支护
＂ three mining under ＂
filling technology
mining method
roadway support
