medium thickness seam是什么意思

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用法例句

In accordance with the concrete occurrence conditions of gently inclined medium thick ore body in Jinchangyu Gold Mine,a highly efficient,safe and economical mining methed was explored and used in mining of experimental stope with good social and economic outcomes,which can serve as good references for similar mines.

根据金厂峪金矿缓倾斜中厚矿体的赋存条件 ,提出了一套高效、安全、经济的回采方案 ,可用于实验矿块的开采 ,取得了很好的社会效益 ,可供类似矿山参考借

Selection of minning technology,support method and parameters of medium-thick seam is introduced.

介绍了中厚煤层一次采全高的回采工艺、支护方法和具体参数的选择,即工作面回采时不留底煤,增加煤炭回收率,对支柱布置形式进行改进,并在理论上进行安全系数验算。

The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle,which is based on individual hydraulic prop and has brought great economic effect.

在大倾角中厚煤层推行走向短壁采煤方法,使用单体液压支柱,取得较好的技术经济效果。

The authors elaborate the application of longwall mining with descentional ventilation at 7327 working face in the medium-thickness seam with big dip-angle,and point out the ways of fire prevention by giving even air pressure,burying pipe and gelatinizing,and using atomizing inhibitor.

论述沛城煤矿7327回采工作面大倾角中厚煤层下行通风长壁开采,采用均压、埋管注胶、雾化阻化剂等防灭火措施及效果,提出了采煤工作面大倾角中厚煤层长壁开采的防灭火方法。

Improvement of mining method for the orebody of gentle dip and medium thickness

缓倾斜中厚矿体采矿方法的改进实践

Theory and technology on trackless mining of gentle dip multi-strata ores of medium size

缓倾斜中厚矿体机械化采矿理论与技术

Research on Low-Dilution and Loss Sublevel Caving of Inclined Medium-thick Orebody in Xiadian Gold Mine;

夏甸金矿倾斜中厚矿体低贫损分段崩落法研究

The Mining Method Study of Inclined and Fragmentary Middle Thickness Ore-Bodies of Chagan Silver Deposit in Inner Mongolia;

内蒙古查干银矿破碎倾斜中厚矿体采矿方法研究

Elementary analysis of the current situation and advance in stoping of gentle dip and medium thickness orebody

浅析国内缓倾斜中厚矿体回采现状及进展

Present Mining Situation of Inclined Medium Thickness Ore Body at Home and Abroad and Development Trend

国内外倾斜中厚矿体的开采现状和发展趋势

Experience and skill for artificial sill pillar design and construction in medium-thick orebody

中厚矿体人工底柱设计施工经验及技巧

A new method for the mining of gentle dip and mediun thickness orebody

缓倾斜中厚矿体的一种新的采矿方法——深孔放顶连续回采房柱法

There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.

对于矿石价值中等、品位中等的缓倾斜中厚矿体,目前无理想的采矿方法.

APPLICATION OF MIDDLE-LENGTHENED HOLE ROM-AND-PILLAR MINING WITH ADVANCED OVERCUT IN GENTLE DIP MID-THICK OREBODY

中深孔超前切顶房柱法在缓倾斜中厚矿体中的应用

Study on Optimization of Stoping Sequence and Structure Parameters of Gentle-Dipping and Medium-Thickness Ore Body

缓倾斜中厚矿体采场回采顺序和结构参数优化研究

STUDY ON STRUCTURE PARAMETER OPTIMIZATION OF SUBLEVEL CAVING FOR HIGH-DIPPING MIDDLE THICKNESS ORE BODY

急倾斜中厚矿体无底柱分段崩落法结构参数优化研究

Non-pillar sublevel caving may be used in the mining of gently inclined medium thick orebody when footwall cutting technology is adopted.

在采用下盘切岩工艺后,无底柱分段崩落法可以在缓倾斜中厚矿体中应用。

Test research of mining method of gently inclined moderate thick ore-body

缓倾斜中厚金矿体采矿方法试验研究

Theory and Application of the Depressurized Mining for Inclined Medium-thick Ore Bodies

中厚倾斜矿体卸压开采理论及其应用

The Shrinkage-breasting method with artificial spacing pillars constructed and its application to the mining of dip and medium thickness orebody

间隔人工间柱留矿全面采矿法在倾斜中厚金矿体的应用

The Application of Sub level Open Stoping Method in Deep Large Size Orebody at Shizishan Copper Mine

分段空场法在狮子山铜矿深部厚大矿体开采中的应用

Mining 0ptimizing Study of the Gentle-Dipping and Medium-Thickness Oxide Ore Body of SongShuJiao's Tin Mine of Tin Corporation of YunNan;

云锡松矿缓倾斜中厚氧化矿体采场开采优化研究