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drill collar bore meaning in English

钻铤内孔

Related Words

  1. champing collar
  2. collar cavity
  3. raise collar
  4. asymmetric collar
  5. collar straight
  6. collar incision
  7. collared finchbill
  8. neck collar
  9. collar mark
  10. thrust collar
  11. drill collar
  12. drill collar annulus
  13. drill collar curvature
  14. drill collar groove
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