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pilot boring meaning in English

先行试钻
预先钻进

Related Words

  1. extension boring and turning mill
  2. neophyte pilot
  3. rear pilot
  4. pilot display
  5. pilot joint
  6. pilot line
  7. pilot casting
  8. pilot comparison
  9. pilot air
  10. pilot diameter
  11. pilot book
  12. pilot bore
  13. pilot boring bar
  14. pilot brace
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