This paper briefly discusses the very low frequency (VLF) electromagnetic technique and takes Shancheng gold mine for example.
简要叙述了甚低频电磁法的方法技术,并以山城金矿为例。
Taking the ventilation of Yinshan region of Yinshan Laed and Zinc Mine for example, the paper makes an approach to the deep ventilation and settles it up well.
本文以银山铅锌矿银山区为例,对其深部通风问题进行探讨,并使问题很好地得到解决。
Taking 2-2 coal seam of Halagou coal mine for example, laneway system and its interrelated parameters with short-wall and continuous mining machine in Shendong mining area were introduced.
以哈拉沟煤矿2 - 2煤层的开采系统为例,介绍了神东矿区连续采煤机短壁式机械化开采的巷道系统及其相关参数。
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