underground drilling unit是什么意思

网络释义

用法例句

Concentration Factor of Stress around Non-Circular Underground Roadways;

地下非圆形巷道周边应力集中系数

Rules and support ways of roadway support and wall rock common loading;

巷道支护与围岩共同承载的规律与支护方式

Quantitative prediction and evaluation on the regularity of asymmetric damage and distortion upon broken rock mass roadways;

破碎岩体巷道非对称破坏与变形规律定量预计与评价

Optimization of Drift Support in Loose and Fractured Host Rock;

松散破碎围岩巷道支护优化设计

Research on Comprehensive Control Technique for Heavy Roof Fall in Weak Mudstone Drift;

松软泥岩巷道大冒顶综合治理技术的研究

Study on the controlled perimeter blasting for drift in soft rock;

软岩巷道周边控制爆破的研究

Research on Integrated Construction Technology for Tunnel Conjunction in Complex Geological Circumstance of Igneous Rock;

火成岩复杂地质环境巷道交岔点成套施工技术

Grinds Changes and the Application of The Mine Ttunnel Impractical Flexible Rope Way Transportation Pulley;

矿山巷道架空柔性索道运输滑车的研改及应用

Design and development of coal mine tunnel automatically generation module;

煤矿巷道自动生成模块的研究与开发

Key Technology of Automatically Drawing Mine Map——Heterogeneous Attribute Roadways Drawing and Dimensioning;

矿图自动绘制的关键技术——异构属性巷道的绘制与标注

With the large-scale exploitation performance and deep mining,the support problems of special soft rock roadways under high stress become increasingly serious.

随着矿山开采的大规模进行和采深的加大,深部高应力极软岩巷道支护问题日益严重。

By means of numerical simulation software 2D-σ for geotechnic engineering,this paper analyzes the effect of bolt grouting support in soft rock roadways.

采用岩土工程数值模拟软件 2D -σ ,对软岩巷道锚注支护效果进行了数值模拟研究。

The tunnels connecting them, usually at right angles, are crosscuts.

连接平巷、一般与平巷成直角的巷道称为石门。

The end of a gallery or drift.

水平巷道或小平巷的一端

A gallery or drift in a mine.

矿井中的水平巷道或小平巷

The protection of tamped mud wall in the laneway construction of “Three Lanes and Seven Alleys”

“三坊七巷”巷道施工期间夯土墙保护

Bolt Roadway Combined Support Technology in Large Section Coal Drift

大断面煤巷全锚杆巷道联合支护技术

horizontal underground passage in a mine

（矿坑中的）水平巷道.

yielding roadway arch

可缩性巷道拱形支架

The alley was strewn with garbage.

垃圾散布于巷道上。

The surrounding rocks of arched roadways are much more stable than that of rectangular roadways.

圆弧拱巷道围岩稳定性要远大于矩形巷道。

"Three bolting-anchor" Support Technologies Process Influence on Stability of Soft Rock Roadway Surrounding Rock

软岩巷道“三锚”支护过程对巷道围岩稳定性影响

A passage or gallery in a coal mine.

通道煤矿中的通道或水平巷道

Popularization and Application of Thickening Torque Nut in the Coal Road Full Bolding

加厚型扭矩螺母在煤巷全锚杆巷道的推广使用

The Study of the Celerity Single Tunneling Technique of the Horizontal Tunnel in the Second Shizuishan Mining;

石嘴山二矿水平巷道单巷快速掘进技术研究

Mechanism of Narrow Pillar Protecting Roadway and Support Technology of Gob-Side Entry in Deep Mine

深井沿空巷道小煤柱护巷机理及支护技术

Application of compound support technology in soft rock tunnel repairing

复合支护技术在软岩巷道巷修中的应用

Smooth Surface Demolition in Rock Alley Driving the Importance for That Tunnel Becomes Shape

光面爆破在岩巷掘进时对巷道成形的重要性

Application of Anchored Bolt Supporting Technology for Coal Roadway in Driving Roadway along Gob

全煤巷道锚杆支护技术在沿空送巷中的应用

Roadway Supporting Technology Influenced by Mining and Protective Pillar Design

多次动压影响巷道支护技术及护巷煤柱留设