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drilling pillar meaning in English

手摇钻柱架

Examples

  1. Specification for engineers ' ratchet braces and drilling pillars
    工程用棘轮摇钻及钻柱规范

Related Words

  1. pillar method
  2. pillar stiffener
  3. coral pillar
  4. pillar operation
  5. bringback pillar
  6. built pillar
  7. hollow pillar
  8. sun pillar
  9. granite pillar
  10. draw pillars
  11. drilling philosophy
  12. drilling pile
  13. drilling pipe
  14. drilling pipe in rotation
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