actual mining roadway是什么意思

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Technical Practice of the Residual Ore Extraction in Tongshan Copper Mine;

铜山铜矿残矿回采技术实践

Geological characteristics of f2 fault and its effect to mining in Daliuta coal mine;

大柳塔矿井f2断层地质特征及对回采的影响

Changsha In-stitute of Mining Research has experimentally studied this mining method used for Jin-shandian lron Mine,with the satisfactory resuIts.

本文主要论述了矿石的可崩性和应力状态的调查、分析与计算；崩矿过程的室内模拟实验；现场回采与放矿的生产试验。

Optimization of orepillar stoping scheme and its application;

矿柱回采方案的优化与实践

Application of small-sized dredge to the stoping of old tailing of Laozuoshan Gold Mine;

小型采砂船在老柞山金矿老尾矿回采生产中的应用

Selection of Pillar Stoping Method in Jingshan Gold Mine;

金山金矿矿柱回采方案的选择

Research and innovation design on new diamond wire saw for stone quarrying;

新型石材回采金刚石串珠锯研究及创新设计

It is widely used in stone quarrying, machining of blocks and various special-shaped stones.

金刚石串珠锯是使用柔性刀具加工石材制品的设备 ,广泛应用于石材回采、荒料整形、板材及各种石材异型制品加工。

Adding support technology in actual mining at comprehensiue mining face;

综放工作面回采过程中增加支架技术

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

The technology of crossing over fault, drifting and actual mining method and plan of crossing over fault at combined mining face under complex geology conditions in Jining No.

介绍了济宁二号矿复杂地质条件下综放工作面过断层技术 ,掘进和回采对断层的处理方法及回采工作面制定过断层方案的步骤。