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Bottom Stope. How to pronounce the english word Bottom Stope.Start with S. Learn from me.



Bottom Stope
  • 英语发声
  • 美语发声

网络释义

1、下向梯段工祖
... 下向梯段式回采：heading and bench mining 下向梯段工祖：bottom stope 下向开采：Underhand drift stoping ...

短语

bottom m stope下向梯段工祖

stope bottom structure采场底部结构

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