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凿竖井用回式钻机 meaning in English

rotary drill for shaft sinking

Related Words

  1. 竖井延深
  2. 多头钻机
  3. 鼻中隔凿
  4. 凿尖
  5. 胸骨凿
  6. 凿密
  7. 凿成
  8. 炳炳凿凿
  9. 锤凿
  10. 斜边凿
  11. 凿式犁
  12. 凿试
  13. 凿死
  14. 凿死理儿
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