narrow vein mining method [矿业] 薄矿脉采矿法
It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.
这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
Resuing is used for mining the steeply dipping narrow-vein in the Shangzhou Gold Mine of Shaanxi, has made great success and excellent economic effect.
陕西商州市金矿采用削壁充填采矿法开采急倾斜薄矿脉，获得成功，取得良好的经济效益。
The approaches to optimization of mining method for inclined and extra-narrow gold ore vein are described in this article.
本文主要论述了倾斜极薄岩金矿脉采矿方法的优化途径。
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