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packoff preventers meaning in English

封隔防护设备

Related Words

  1. full pressure test the ram preventers
  2. packoff
  3. packoff shoe
  4. wireline packoff
  5. split packoff
  6. packoff nipple
  7. annular packoff
  8. bottom casing packoff
  9. packoff
  10. packoff nipple
  11. packoff shoe
  12. packpacking
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