1.
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
2.
The Calculating and Testing Research on the Fractural Range of Bench Shooting of Loading Emulsion Explosive in Deep Hole;
混装乳化炸药车深孔梯段爆破破裂范围计算分析及试验研究
3.
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
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.
Serial Blasting Crate Tests Confirm Medium-length Hole Blasting Parameter of Non-pillar Sublevel Caving Method
无底柱分段崩落法中深孔爆破参数试验
6.
Bench blasting is the most usual type of blasting work.
梯段爆破是最常用的爆破工程之一。
7.
long hole raising
深孔爆破法天井掘进
8.
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
9.
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
10.
The basic charge calculations have been concentrated round bench blasting.
装药计算的重点主要放在梯段爆破上。
11.
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
12.
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
13.
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
14.
Main Factor of Affecting the Underground Medium- length Hole Dynamiting Effect
影响地下中深孔爆破效果的主要因素
15.
Deep Hole Blasting in Hard Rock of No.1 Auxiliary Shaft of Lilou Steel Coal
李楼铁矿1#副井硬岩深孔爆破技术
16.
Application Research on Medium-length Hole Blasting in Hard Rock Drift Excavation
中深孔爆破在硬岩施工中的应用研究
17.
Research on splitting technical of coal bed deep-hole cumulative blasting to improve permeability
煤层深孔聚能爆破致裂增透工艺研究
18.
Experiment and Research on Deep Borehole Blasting in Mine Rock Roadway with Thick Soft and Weak Parting
厚软弱夹层岩巷中深孔爆破试验研究