deep mining

英 美
  • 深井开采
  • deep adj.深的;深刻的;深奥的;深切的adv.深深地n.深处
  • mining n.采矿;矿业
    1. 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。