Steep narrow vein 急倾斜薄矿脉
narrow vein mining method [矿业] 薄矿脉采矿法
extra narrow vein 极薄矿脉
extra-narrow vein 极薄矿脉
broken narrow vein 破碎薄矿脉
narrow vein mining 薄窄矿脉
extreme narrow vein 极薄矿脉
steep dip narrow vein 急倾斜极薄矿脉
gentle-dip narrow vein 缓倾斜薄矿脉
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。
Conclusion: liver steatosis can result in narrow and irregular liver sinus and increase the portal vein pressure.
结论：肝脂肪变性引起肝窦狭窄和不规则，门脉压增高。
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。
应用推荐