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中深孔爆破

网络medium and deep hole blasting; middle-deep hole blasting; Medium-length hole blasting

中深孔爆破

中深孔爆破

中深孔爆破

medium and deep hole blasting

中深孔爆矿,middle deep-hole... ... ) medium and deep hole blasting 中深孔爆破 ) middle-deep hole blasting 中深孔爆破 ...

middle-deep hole blasting

中深孔爆矿,middle deep-hole... ... ) medium and deep hole blasting 中深孔爆破 ) middle-deep hole blasting 中深孔爆破 ...

Medium-length hole blasting

中深孔爆矿,middle deep-hole... ... ) middle deep-hole blasting 中深孔爆矿 ) Medium-length hole blasting 中深孔爆破 ...

1

The new method adopted roof presupporting, deep and medium hole blasting , LHD ore removal and tailings filling .

该采矿方法采用采场预控顶技术，中深孔爆破，铲运机出矿，尾砂充填。

2

Determination of Rational Undermining Form of Gun-drilling Detonation in Hard Tunnel

岩巷中深孔爆破合理掏槽型式的确定

4

Application of the Medium or Deep Hole Blasting Technique in the Jianan-Taian Highway Construction

中深孔爆破技术在京福高速公路济南 -泰安段的应用

5

Application of the medium deep hole blast technology in the construction of the tunnel large section

中深孔爆破技术在大断面巷道施工中的应用

6

Spectra Characteristics Analysis of Medium-to-deep Holes Blasting Vibration Signal in Limestone Mine

水泥矿山中深孔爆破震动信号频谱特征分析

7

Application of Explosive Amount Calculation Method in Medium-length Hole Blasting

中深孔爆破炸药量计算方法的应用

8

Application of Medium and Deep Hole Blasting Technology in Medium Hard Rock Tunnel Boring at Haizi Coalmine

中深孔爆破在海孜煤矿中硬岩巷道掘进中的应用

9

adopting the rhombus cut and the mid - deep - hole smooth blasting technology to realize fast heading in rock drift

采用直眼菱形掏糟中深孔爆破技术实现岩巷快速掘进

10

Application of medium - length hole blasting technique in semi - coal rock gangways

中深孔爆破技术在半煤岩巷中的应用

11

Practice and Understanding in Deep-hole Blasting for Hard Rock Roadway Development

硬岩巷道中深孔爆破的实践与认识

12

13

The Application and Effects of Hole-bottom Detonating in Medium-length Hole Blasting

论中深孔爆破孔底起爆的实施和应用效果

14

Discussion on Deep Bore Hole Blasting Technology in Rock Roadway Excavation

岩巷掘进中深孔爆破技术探讨

15

Solution of Toe Rock and Large Fragment in Medium-length Hole Blasting in Yongping Copper Mine

永平铜矿中深孔爆破中出现根底及大块的解决方法

16

Optimization and Practice of Cutting with Deep-Hole Blasting in Hard Rocks of Roadways

井巷硬岩中深孔爆破掏槽方式优化与实践

17

Thinking and Research on Disposal of Complex Vacant Places by Medium and Deep-Hole Method

中深孔爆破处理复合空区的思考与探索

18

Thc deep-hole explosion technology in whole rock bolt-shotcreting roadway

全岩锚喷巷道中深孔爆破技术

19

Effective method of avoiding occurrence of oversize ore lump in medium-length hole ore blast

中深孔爆破落矿中降低大块率的途径

20

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

22

Study on Underground Middle-long Hole Blasting Technology

井下中深孔爆破技术研究

23

Practice of Improving Medium-length Hole Blasting Effect in Open Pit Mining

提高露天采矿中深孔爆破效果的实践

24

Application of Medium-length Hole Blasting in Jinshan Stone Quarry

中深孔爆破在金山采石场的应用

25

Exploding technology about long hole blasting in rock roadway

岩巷中深孔爆破技术

26

Application of Medium-length Hole Blasting Near Workshop

厂房近区中深孔爆破技术的应用

27

Research on reducing boulder yield of medium-length hole blasting

降低中深孔爆破大块率的研究

28

Measures for Improving Lingholl Blasting Quality in Sublevel Drilling

改善分段凿岩中深孔爆破质量的措施

29

Application of middle-deep hole blasting mining in steep dip coal mine

中深孔爆破采煤法在急倾斜煤层开采中的应用

30

Case study on ground shock due to deep blasting in the shafts of certain uraniummine

某铀矿井下中深孔爆破地表震动效应实测研究

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