摘要
根据马兰矿当前生产实际 ,合理调整了南翼下组煤采区开准系统设计 ,取得了较好的经济效益。
According to the current production reality,the design of winning pioneering and preparation system about the south lower group coal adjusted reasonably,the economic benefits is better.
出处
《山西焦煤科技》
2004年第3期7-8,共2页
Shanxi Coking Coal Science & Technology
关键词
煤矿
开准系统
经济效益
改造设计
Pioneering and preparation system
Reformation
Design
Benefits
