1.
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
2.
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
3.
Similar Experiment of High-Level Large-Diameter Long-Hole Mining in the Anqing Copper Mine
安庆铜矿高阶段大直径深孔采矿相似材料模拟实验
4.
Application of High Bench Large Diameter Longhole Blasting Technology in Anqing Copper Mine
高阶段大直径深孔爆破技术在安庆铜矿的应用
5.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
6.
EARTHQUAKE EFFECT OF HIGH-LEVEL LARGE-DIAMETE R LONG HOLE BLAST IN ANQING COPPER MINE
安庆铜矿高阶段大直径深孔爆破地震效应的浅析
7.
Distribution structure and parameter determination of medium-length holes in stage room mining method
阶段矿房采矿法中深孔布置结构及参数的确定
8.
sublevel blast-hole method
深孔分段崩落采矿法
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.
Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting .
在大直径深孔采矿中 ,炮孔偏斜是非常不利的因素。
11.
Large-diameter longhole blasting was used to excavate soil-rock in some engineering project.
某工程的土石方开挖采用大直径深孔爆破方式。
12.
Discussion and Practice of Vertical Parallel Hole Caving Technology with Sub-level Filling Method
分段充填采矿法垂直平行孔落矿技术探讨与实践
13.
Application of Advanced PHP Slurry to the Construction of Long and Large Diameter Bored Piles in Deepwater and Complex Land
高级PHP泥浆在深水大直径钻孔桩施工中的应用
14.
Gas drainage technique by 1000 m long and large diameter roof boreholes in high gas coal seam group
高瓦斯煤层群顶板大直径千米钻孔抽采技术
15.
Research and Application of the Anti-punching Technology for Large-diameter andDeep-hole Blasting of Anqing Copper Mine
安庆铜矿大直径深孔爆破防冲技术的研究与应用
16.
The Application of Sub level Open Stoping Method in Deep Large Size Orebody at Shizishan Copper Mine
分段空场法在狮子山铜矿深部厚大矿体开采中的应用
17.
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统
18.
Study on the parameters of highwall auger mining in open pit mine
露天矿高边坡钻孔采矿法的参数研究