actual mining roadway

 
  • 回采巷道

actual mining roadway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。

actual mining roadway的相关资料:

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