coal bumping

英 美
  • 冲击地压
  • bumping n.撞击;冲震;造成凹凸;剧沸;起肿;起瘤;放气动词bump的现在分词.
  • coal n.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
    1. With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
      摘要随着煤矿开采深度增加,综放开采回采巷道易发生冲击地压危害。