摘要
介绍了密山一矿一井四斜的矿井条件及巷道长壁式采煤方法在密山煤矿的良好应用效果 ,并指出了巷道长壁式采煤法的优缺点。
The application of extraction conditions and longwall mining method in 1 # shaft,No 1 Coal Mine, Mishan is introduced And it also points out the advantages and disadvantages of it
出处
《煤炭技术》
CAS
2003年第4期31-32,共2页
Coal Technology
关键词
巷道长壁式采煤法
应用
经济指标
longwall mining method
application
economic quota
