摘要
论证了急倾斜厚 (特厚 )煤层伪斜上山保护煤柱回收的可行性。
The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed.
出处
《河北煤炭》
2000年第1期1-2,共2页
Hebei Coal
关键词
急倾斜
伪斜上山
保护煤柱
回收
可行性
large slope
thick (ultra thick) coal seam
artificial inclined steep drift
vertical hole
