steel column protection

用法例句

Analytical model of protective coal pillar design for vertical section method;

垂直剖面法保护煤柱设计的解析模型

Which is the concentrated expression of prediction model and its parameters,protective coal pillar designed method and its parameters.

在深部开采条件下,结合地表沉陷的特点,总结分析了预测与控制存在的主要问题,表现在其预测模型、参数以及保护煤柱的留设方法和参数等方面。

Rapid measurement of iodine in soil is thus achieved with protective column IonPacAG11.

优化了碘的离子色谱分离和测定条件,仅使用保护柱IonPacAG11柱,即可快速测定土壤中的碘。

Protective coal pillar set method and development tendency in China

我国保护煤柱留设的方法及发展趋势

Optimization of Ventilation System in Protection of Pillar on Recovery Roadway

回收大巷保护煤柱时通风系统的优化

Research on Reasonable Dimension of Protective Pillar for Cross-cutin Steeply Inclined Coal Seam

急倾斜煤层石门保护煤柱合理尺寸研究

Influence of Coal Strength Coefficient on Width of Protective Coal Pillar

煤的强度系数对井巷保护煤柱宽度影响分析

The Program Development and Application of Design Architectural Complex Protective Coal Pillar

设计建筑群保护煤柱的程序开发与应用

Method of designing protection coal pillar in mine area based on prediction of surface deformation

基于地表变形预计的矿区保护煤柱留设方法

Influence analysis on railway in coal mine area raised by local exploitation of protective coal pillar in industrial square

工业广场保护煤柱局部开采对矿区铁路的影响分析

The partial mining and practice of the industrial square pillar of 8-1 coal seam in linnancang mine

局部开采保护煤柱对矿井生产系统建筑物的沉陷预测

Only coal pillar has enough strength, it can ensure the stabilization of the support.

煤柱具有足够的强度,才能够保证支护空间的稳定。

Numerical Simulation of Anchored Bolt Supporting for Roadway in Small Coal Pillar with Large Inclined Angle

大倾角煤层小煤柱巷道锚杆支护数值模拟研究

CHAPTER V PROTECTION OF COAL MINING AREAS

　　　　　　　　　　　　第五章　煤矿矿区保护

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

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

The fire protection design on the bunker/hod of the coal disposal system

燃煤处理系统煤仓/煤斗的消防保护设计

Not secured by spars or stays. Used of a sail.

无保护的没有船柱或支索保护的。用于帆船

Study on Safe Mining of Island Coal and Roadway Maintenance Technology;

孤岛煤柱安全开采及巷道维护技术研究

Application of Pressure Bolting Supporter Under the Influence of Small Coal Mining Pillar Roadway

采动影响下小煤柱巷道让压锚杆支护的应用

Support Technology of Small Coal Pillar Goaf-side Gateway for Fully Mechanized Top Coal Caving Mining Face in Deep Mine

深部综放工作面小煤柱沿空巷道支护技术