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pillar coal meaning in Chinese

煤柱中的煤

Examples

  1. Application of using single hydraulic props as temporary support in room - and - pillar coal face
    刀柱炮采工作面单体液压支柱临时支护方式

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. pillar cell
  12. pillar cells
  13. pillar cock
  14. pillar cornerstone industry
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