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.
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
6.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
7.
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。
8.
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
9.
sublevel blast-hole method
深孔分段崩落采矿法
10.
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
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.
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
13.
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
14.
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
15.
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统
16.
It is a key for a high level pillar mining's success to prevent backfill from being destroyed.
充填体不产生大规模破坏是高阶段矿柱成功回采的关键。
17.
Technology of 1000 meter directional borehole at large diameter for mine gas extraction
顶板大直径千米长钻孔抽采瓦斯技术
18.
Probe into Large Diameter Direct Drainage Borehole Construction Technology in North China Type Coalmines
华北型煤矿施工大孔径直排孔的工艺探讨