你即將離開本站

並前往https://lgc2016.files.wordpress.com/2016/03/geological-engineering.pdf

University of Saskatchewan - WordPress.com

Overhand Stoping – Bottom Up. Method. • Underhand Stoping – Top Down. Method. • Longitudinal Stoping – Long axis of stope is parallel to orebody strike.

確定！ 回上一頁

查詢 「overhand stoping」的人也找了：

  1. breast stoping
    2.
  2. stoping mining
    3.
  3. shrinkage stoping
    4.
  4. square-set stoping
    5.
  5. underground stope
    6.
  6. open stope mining
    7.
  7. underhand stoping
    8.
  8. overhand cut and fill mining method
    9.