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coal vein meaning in English

煤层

Related Words

  1. admiralty coal
  2. coaling stage
  3. metallurgical coal
  4. sterile coal
  5. coal product
  6. bear coals
  7. coal distributor
  8. china coal
  9. rice coal
  10. coal coke
  11. coal valve
  12. coal vase
  13. coal vertical shrinkage
  14. coal wagon
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