barrier pillar

 
       
  • 安全煤柱,边界矿柱,安全矿柱

barrier pillar的用法和样例:

例句

  1. As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by medium length hole caving method.
    后沟金矿采用平底结构浅孔留矿法先采矿房,后用中深孔崩落法回采矿柱,经两年多的生产实践,取得较好的技术经济指标。
  2. The results of numerical simulation showed that if the floor pillar is mined partially, the stress in pillars will sharply increase, so integral stability of mine may weaken.
    模拟结果表明,部分底柱抽采后,起关键支撑作用的底板横撑和矿柱中的应力有显著地变化,这可能破坏矿山整体稳定性。

barrier pillar的相关资料:

临近单词

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