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stepped drill meaning in English

阶梯钻

Related Words

  1. steps
  2. stepping core
  3. integration step
  4. straight step
  5. dummy step
  6. step by step control
  7. connecting step
  8. step tube
  9. back step
  10. step mark
  11. stepped drag bit
  12. stepped drawing frame
  13. stepped drive
  14. stepped driving cone
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