1.
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。
2.
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
3.
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
4.
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
5.
PRELIMINARY DISCUSSION ON REDUCTION FREQUENCY OF BOULDER OCCURRENCE IN DEEP HOLE BENCH BLASTING
浅谈降低深孔梯段爆破大块率的措施
6.
On the Application of Outer-hole Blast in Medium Length Hole
孔外延期爆破在中深孔爆破中的应用
7.
long hole raising
深孔爆破法天井掘进
8.
Research and application of deep hole advance pre-blasting in hard roof of steeply dipping seam mining
大倾角坚硬顶板深孔超前预爆破研究与应用
9.
LARGE-DIAMETER LONGHOLE STOPING METHOD IN SPAIN
西班牙大直径深孔采矿方法考察概况
10.
Test of Large Hole Distance and Small Resistant Line Blasting Technique in Underground Stope
大孔距小抵抗线爆破技术在地下中深孔采场中的试验
11.
Research on Mechanics of Charging Structure of Bottom Gas-Space in Deep-hole Blasting Engineering;
中深孔爆破孔底空腔装药机理的研究
12.
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine, was obtained.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
13.
To lower blasted boulder yield is one of the most important technical considerations in deep-hole blasting operations of mine.
降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。
14.
Analysis of Open-pit Mine in the Deep-hole Blasting Mass and Root Causes and Treatment
浅析露天矿中深孔爆破大块和根底产生的原因及治理
15.
Application of deep-hole differential crush blasting in excavating the spillway of Kesem Reservoir
深孔微差挤压爆破在Kesem大坝溢洪道开挖中的应用
16.
Middle-Deep Bore Blasting Experimental Study on Hard Rock Tunnel Heading
硬岩巷道掘进的中深孔爆破试验研究
17.
Study on Fragmentation Forecasting for Length Hole Bench Blasting;
中深孔台阶爆破块度分布预测的研究
18.
Middle and Deep Hole Controlled Blasting of Rock Cut in the Complicated Surroundings;
复杂环境下路堑土岩中深孔控制爆破