大家在查： cramfsprogs 幼年未罗比康楚 kinescoping 史丹福• gregor.c ·扎乌里 DORKIER colloidal graphite RoyRadner

actual mining

网络回采工作；按章回采

actual mining

actual mining

actual mining

回采工作

矿业英语 - 豆丁网 ... activity 活度 actual mining 回采工作 actuate 驱动 ...

按章回采

章回体小说,Traditional... ... ) Traditional novel 章回体小说 ) actual mining 按章回采 ) chapters novel 章回小说 ...

2

The mining right holder environmental protection duty includes the preventive voluntary and in the actual mining mineral resource duty .

采矿权人的环境保护义务包括预防性义务和在开采中的义务。

3

The storage situation of coal and gas, and the actual mining road arrangement in Qianling Coal Mine are introduced .

介绍了前岭煤矿的煤层及瓦斯的赋存情况，回采巷道的布置情况。

4

Support Test of Roof-bolting with Cable Anchor Mesh Used in an Actual Mining Roadway with Large-sectional Composite Roof

大断面复合顶板回采巷道锚杆锚索网支护试验

5

Approach on the selection of the reasonable length of the actual mining face

回采工作面合理长度的选择探讨

6

The optimum study of the angle of the truss-bolt supporting the roof in the actual mining roadway

回采巷道顶板桁架锚杆支护角度的优化研究

7

Study on the length of the actual mining face in Huainan mine area

淮南矿区回采工作面长度的探讨

8

Modification of combined beam theory and its application in actual mining roadway bolting

锚杆支护组合梁方法的改进及其应用

9

Several problems should be noticed during the actual mining and tunnelling

底板回采掘进应注意的几个问题

10

Practice on no pillar actual mining at the combined mining face of the middle and thick seam

中厚煤层综采工作面无煤柱回采实践

11

Full bolt-mesh supporting with the coal roof for the actual mining roadway driving along seam floor

回采巷道沿底掘进留顶煤全锚网支护

12

Application of Preventing Fire by Pouring Nitrogen to Gob Area at Fully Mechanized Coal Face During Actual Mining

综采面回采期间采空区注氮气防火的应用

13

Study on the strata and fracture features of surrounding-rocks and the bolting effect in actual mining roadways

回采巷道围岩结构与裂隙分布特征及锚杆支护机理研究

15

Accident reason and control of the usual partial roof fall at actual mining face

回采工作面常见顶板局部冒顶事故原因及控制

16

"Actual mining roadway " in the application of the bolted roadway

“沿空留巷 ”在采煤工作面下巷的应用

17

Longwall actual mining technology for large inclined angle face

大倾角工作面走向长壁回采技术

18

Mechanism of Soft Rock Actual Mining Roadway Floor Heave and Controlling

软岩回采巷道底鼓的机理和防治

19

Applied practice of outer supply strength bolt in actual mining roadway

回采巷道外露补强锚杆的应用实践

20

Application of Groups of Steel Girder Shotcreting to Actual Mining Road

煤体组合梁喷碹支护在回采巷道中的应用

21

Confirmation of reasonable pillar's size in actual mining roadways

回采巷道合理煤柱尺寸的确定

22

Outlook on development of the bamboo bolt for supporting the actual mining roadway

回采巷道竹锚杆的发展前景分析

23

Research on the design of actual mining roadway bolt support in Zhengyang mine

正阳矿回采巷道锚杆支护设计的研究

24

Longwall actual mining process at large inclined angle thin seam face

大倾角薄煤层工作面走向长壁回采工艺

25

Geology Technique Guarantee of Actual Mining

回采中的地质技术保障

26

Test on passing stone gate actual mining in combined mining thick coal seam

厚煤层综采跨石门回采的尝试

27

Application of Slanting Actual Mining Roadway in High Gas Seam

斜切眼在高瓦斯煤层长走向工作面的应用

28

Layout of actual mining roadways in very contiguous seams

极近距离煤层回采巷道布置研究

29

Choice of actual mining method for the igneous rock

回采工作面过火成岩方法的选择

30

Application of bolting with wire mesh at actual mining road

锚网支护在回采巷道的应用

热词推荐

大家在看