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- This article introduces the research and application result of the deep bore blasting techniqueetc under dig and build operation of the short zone in shaft. 介绍了立井短段掘砌混合作业深孔爆破技术等方面的研究和应用结果。
- Research and Application in Combined Shaft Operation of the Deep Bore Blasting Technique 立井混合作业深孔爆破技术研究与应用
- deep bore blasting 深孔爆破
- Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites. 该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
- The conclusion of how to determine error between generatrix linearity and axes linearity and how to compensate the error are valuable in measurement of axes linearity of deep bore. 给出的母线与轴线直线度误差及误差消除的方法,对深孔直线度的测量具有一定的实用价值。
- Keywords ditching;deep bore hole;millisecond blasting;numerical simulation; 沟槽;深孔;微差爆破;数值模拟;
- Her face bore the deep imprint of suffering. 她的脸上带着受过苦难的深深的痕迹。
- Keywords deep bore;linearity;generatrix; 深孔;直线度;母线;
- Blasting coal mining method with deep bore holes applied to deep inclined thin seam and medium thick seam 深孔爆破采煤法在急倾斜薄及中厚煤层中的应用
- ENGINEERING PRACTICE AND NUMERICAL SIMULATION ON THE MILLISECOND BLASTING FOR DITCHING DEEP BORE HOLES 沟槽深孔微差爆破的工程实践和数值模拟
- Numerical Simulation Research of Charging Optimization in Spiral Cutting Blasting in Medium Deep Bore 中深孔掏槽爆破装药优化的数值模拟研究
- 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
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Can you ladle the soup out of this deep pan for me? 你能从这个深底锅里舀点汤给我吗?
- titania- bearing blast furnace slag 含钛高炉渣
- A deep gorge separates the two halves of the city. 有一道深谷把这座城市分成两部分。
- Analysis on Outburst Prevention Role of Pre-Cracking Control and Soft Blasting in Deep Bore Hole of Low Permeability Seam 低透气性煤层深孔预裂控制松动爆破防突作用分析
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- A deep ravine is on the left of the road. 有一道深沟在马路左边。