你即將離開本站

並前往https://pl4.ilovetranslation.com/faAQIK7wp8v=d/

In square-set stoping, small blocks of ore are systematically ...

In square-set stoping, small blocks of ore are systematically extracted and replaced by a prismatic framework of timber sets, framed into an integrated ...

確定！ 回上一頁

查詢 「square set stoping」的人也找了：

  1. square-set stoping pdf
    2.
  2. shrinkage stoping
    3.
  3. block caving mining
    4.
  4. underhand stoping mining method
    5.
  5. longhole open stoping mining method
    6.
  6. open stope mining
    7.
  7. underground stope
    8.
  8. gophering mining
    9.