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rotary drill for shaft sinking meaning in Chinese

凿井用回转式钻机
凿竖井用回式钻机

Related Words

  1. mat sinking
  2. sinking submarine
  3. sinking valve
  4. current sinking
  5. counter sunk
  6. sunken eyes
  7. heat sink
  8. sinking tower
  9. sunken wreck
  10. sinking stream
  11. rotary drill
  12. rotary drill boring
  13. rotary drill jumbo
  14. rotary drill line
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