1.
Numerical Simulation Study on Surrounding Rock Deformation in Large-sectional Mining of Steep Seam
急倾斜煤层大段高开采围岩变形数值模拟研究
2.
Basic Research on Control of Surrounding Rock in Big Section Safety Mining in Steep Seams;
急斜煤层大段高安全开采围岩控制基础研究
3.
Research on Deformation Monitoring of Surrounding Rock in Large Section-height Full-mechanized Caving Mining Steeply Inclined Coal Seam
急倾斜煤层大段高综放开采围岩变形监测研究
4.
Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area
淮北矿区大采高综采放顶煤开采技术
5.
Selection of Reasonable Section Heights During Top-coal Caving to Steep Seams
急斜煤层分段放顶煤开采合理段高选择研究
6.
Technology of30kt/d Full-mechanized Mining with Large Mining Height in Large Angle Coal seam
日产30kt大采高大倾角综采工作面开采技术
7.
Surrounding Rock Controlling Technology and Practice of Large Mining-height Mining Face with Hard Roof and Hard Coal
“两硬”大采高围岩控制技术及开采实践
8.
Research on Mining Technology with High Mining Height and Development of Powered Support for High Mining Height
大采高技术与大采高液压支架的开发研究
9.
Mining Steeply-inclined Thin Orebody with Medium-deep Hole High Sublevel Stoping Method
中深孔高分段空场法开采急倾斜薄矿体
10.
Dozer-lowered height optimization of dragline stripping system
拉铲倒堆开采工艺推土机降段高度优化
11.
Low and Middle Section Mining on the Eastern Part of Southern Dajishan Mine
低中段在大吉山矿区南组东翼开采的成功应用
12.
To laugh heartily and boisterously.
哄然大笑开心地，兴高采烈地大笑
13.
THE HIGH BENCH LONG HOLE MINING IN ANQING UNDERGROUND COPPER MINE
安庆铜矿高阶段大直径深孔采矿法实施方案
14.
Research on Large Mining Height Technique for Thick Coal Seams
厚煤层大采高全厚开采工艺研究与应用
15.
Theory study on the load on support of long wall with top coal caving with great mining height in extra thick coal seam
特厚煤层大采高综放开采支架外载的理论研究
16.
EVOLUTION LAWS OF STEP OVERLYING STRATA UNDER LARGE MINING HEIGHT AND WATER INRUSH PREVENTION
大采高开采覆岩台阶错动演化规律及突水防治
17.
STUDY ON STABILITY OF STOPE IN ROOM HIGH-LEVEL LARGE-DIAMETER LONGHOLE MINING IN ANQING COPPER MINE
安庆铜矿矿房高阶段大直径深孔采矿采场稳定性研究
18.
a minable seam of gold.
一段可开采的金矿脉