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.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
3.
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
4.
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。
5.
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
6.
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
7.
sublevel blast-hole method
深孔分段崩落采矿法
8.
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。
9.
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
10.
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
11.
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
12.
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
13.
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
14.
A new method for the mining of gentle dip and mediun thickness orebody
缓倾斜中厚矿体的一种新的采矿方法——深孔放顶连续回采房柱法
15.
Application of Large-diameter Borehole in the Process of Gas Comprehensive Management in Coal Face
大直径抽采钻孔在采面瓦斯综合治理中的应用
16.
Application of Pneumatic Lifting Method to Remove Bore Material from Large Diameter and Very Deep Steel Tubular Piles for Caofeidian Ore Terminal
气举法在曹妃甸矿石码头大直径超深钢管桩清除桩心土中的应用
17.
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
18.
Application of Middle-Deep Hole Falling Afterwards Filling in no Waste and Harmful Mining
中深孔落矿嗣后充填法在无废害开采中的应用