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heading chain pillar meaning in English

巷道矿柱
巷道煤柱

Examples

  1. Heading chain pillar
    巷道煤柱

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. heading car
  12. heading card
  13. heading change inertia
  14. heading change motion
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