preparing entry是什么意思

网络释义

用法例句

Based on the experiment by using split rockbolt support at Peifeng Mine Yanwu +35m-21#,Fujian Coal and Electricity Corporation,the paper proves that split rockbolt support in developing entry has advantages over the traditional support and other rockbolt supporting types.

通过对福建煤电公司培丰煤矿延五+35m-21#运巷进行缝管式锚杆支护试验,证明缝管式锚杆支护相对于采准巷道的传统支护方式及其他类型锚杆支护有较大优势,是一种支护及时、经济有效的新型锚杆支护形式,是采准巷道支护改革的一个方向。

A Study on the Stability of the Supported Development Drift after Underground Flooding in Chengchao Iron Mine

程潮铁矿淹井后采准巷道支护的稳定性研究

Application of Smooth Wall Blasting Technique in Unstable Developing Drift

光面爆破技术在不稳固采准巷道中的应用

Research on Application of Split Rockbolt in Developing Entry Support;

缝管式锚杆在采准巷道支护中的应用研究

Smooth Blasting Used in the Infirmness Preparatory Workings

光面爆破技术对不稳固采准巷道的应用

Research on Support of 9~# Difficult Mining Coal Seam of Fully Mechanized Mining Tunnel in Ximing Coal Mine

西铭矿9~#难采煤层综采巷道支护研究

Surrounding Rock Control Study of the Coal Entry with Greater Mining-Height;

大采高综采工作面回采巷道围岩控制技术研究

Comprehensive Prevention and Control Technology of Goaf Water for First Coal Pillar Mining Face in Mining Dip Gateway

回采下山巷道煤柱首采面采空水综合防治技术

The Application about Recoverable Bolt in Short Walling Drift

可回收锚杆在短壁开采巷道中的应用

Research on Stability of Gateway under the Condition of Complex Constitution

复杂构造条件下回采巷道稳定性研究

Technology of Supporting Super High Roadway in Large-height Mining Face

大采高工作面超高巷道掘进支护技术

Study on Gateway Top Caving Technology for Steep-inclined Coal Seam

急倾斜煤层巷道放顶煤回采工艺研究

Behavior Law of Mine Pressure in Roadways Under Conditions of Mining With Coal Pillars

带煤柱开采条件下巷道矿压显现规律

MATLAB finite element simulation of mining tunnel and ANSYS comparing analysis

采矿巷道MATLAB有限元仿真及ANSYS对比分析

The Research and Application of Huge cross-sectional Road metal Mesh timbering

大断面回采巷道锚网支护分析及应用

Analysis on Design Optimization of Roadway Layout in Jiaozuo Mining Area

焦作矿区采区巷道布置设计优化分析

Roadway deformation mechanism and failure model under the influence of mining

采动影响下巷道变形机理与破坏模式

Numerical simulation of wall rock deformation mechanism of mining tunnel

采矿巷道围岩变形机制数值模拟研究

Research on the roadway stability under closed distance seam group

近距离煤层群开采下巷道稳定性研究