摘要
开滦(集团)有限责任公司2005年实现了大断面岩巷单头掘进年进尺超过1200m的水平,为矿井的稳步发展奠定了基础。
Kaiuan Group Ltd. achieved the footage above 1200m/a in large rock-gateway shingle-entry developing in 2005, which put down a base for steady development of mine.
出处
《煤矿机电》
2006年第5期71-72,共2页
Colliery Mechanical & Electrical Technology
关键词
机械化掘进
大断面岩巷
mechanical drivage
large rock-gateway
