2) large rock-gateway
大断面岩巷
1.
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.
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。
2.
Achieved the footage above 1200m/a in large rock-gateway shingle-entry developing in 2005, whick put down a base for steady development of mine.
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1200m的水平,为矿井的稳步发展奠定了基础。
3) deep rock roadway
深部岩巷
1.
This is a new method for controlling distortion of deep rock roadway and it preferably settled distortion problem during roadway constructing and repairing.
在大断面岩巷拱顶采用加密锚杆支护试验,探索了控制深部岩巷变形新方法,并在工程实例中应用,较好地解决了施工巷道及岩巷修护变形的问题。
2.
Technique of secondary bolt/shotcreting support for deep rock roadway,with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example,was analyzed.
以孙村煤矿埋深1300 m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
4) rock drif with large cross-sectional areadip
大断面岩巷下山
6) deep soft rock roadway
深部软岩巷道
1.
The supporting state stabilizing factors of the deep soft rock roadway chamber are analyzed.
分析了深部软岩巷道硐室的支护状态稳定因素,结合现场实际情况,总结了深部软岩巷道破坏后二次支护的方法和原则。
补充资料：部大
1.魏晋时少数民族的部落首领或酋长。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条