mechanized top-caving mining

 
  • 综放开采

mechanized top-caving mining的用法和样例:

例句

  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。

mechanized top-caving mining的相关资料:

临近单词

今日热词
目录 附录 查词历史