fully mechanized top coal mining

英 美
  • 综放开采
  • coal n.煤;木炭vt.烧成炭;供应煤vi.加煤;装煤
  • fully adv.十分地;完全地;全部;足足
  • mechanized adj.机械的;呆板的=mechanised(英).动词mechanize的过去式和过去分词形式.
  • mining n.采矿;矿业
  • top n.顶部;顶;上面;极点;陀螺adj.最高的;顶端的vt.形成顶部;达到…的顶端;处于…的最前头vi.总结;超越;高耸;结束
    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。