rill cut and fill method

rill cut and fill method

倾斜分层充填采煤法

Analysis of Mining Steeply Inclined Coal Seam with Bursting Risk in Small Colliery

小煤矿急倾斜突出煤层开采方法探析

Application of Oblique Sublevel Positive-Step Mining Method on Steeply-inclined Unstable Seam

急倾斜不稳定煤层斜分段正台阶采煤方法的运用

horizontal cut and fill stoping

水平分层充填采矿法

flat back cut and fill method

水平分层充填开采法

A talk about the orientation of the development of mining gentle dip and extra-narrow orebody by resuing-and-backfilling method

浅论缓倾斜极薄矿体削壁充填采矿法发展方向

Three Anti-Measures for Strike Longwall Retreating Mining In Sloping Coal Seam

倾斜煤层走向长壁后退式采煤法的三防措施

Analysis and technological measures for longwall topple mining process at the big inclined angle seam

大倾角煤层倾斜长壁仰斜开采工艺分析及技术措施

overhand cut and fill

上行分层采掘充填开采法

Deformation analysis of covering rock masses as mining steep-inclined coal seam and its application

急倾斜煤层开采覆岩变形分析及其应用

Simulation analysis of steep seam mining under rainfall condition

降雨条件下急倾斜煤层开采的仿真分析

A Research in Drift Layout of Mechanized Coal Face Panels in Gentle Dip,selfcombustible Thick Seams by Slice Mining

缓倾斜易自燃厚煤层分层开采综采采区巷道布置的探讨

Study on Gateway Top Caving Technology for Steep-inclined Coal Seam

急倾斜煤层巷道放顶煤回采工艺研究

Comprehensive analysis of coal break on steep and thick coal seam 102m section

急倾斜厚煤层102m阶段煤体综放开采煤体致裂综合分析

Application of inchined longwall and overhead mining technology in large tilt angle coal seam mining

倾斜长壁仰斜开采技术在大倾角煤层中的应用

timbered horizontal cut and fill stoping

木支护的水平分层充填采矿法

Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam

急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术

Longwall mining along the dip of the unstable coal seam and strata control

不稳定煤层倾斜长壁开采及矿压控制