柱式采煤法

  • 网络Pillar mining method;pillar coal mining method
柱式采煤法柱式采煤法
  1. 连续采煤机房柱式采煤法工作面生产能力的确定

    Determination of productive capacity of Coalface in room and pillar method with continuous miner

  2. 对于具有坚硬顶板的煤层,过去比较普遍采用的是刀柱式采煤法。

    For the seam of hard roof , the knife pillar mining method is widely used in the past .