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longwall face development meaning in Chinese

长壁工祖升采

Related Words

  1. longwall
  2. longwall face
  3. longwall retreating
  4. longwall advancing
  5. retreating longwall
  6. longwall working
  7. full longwall
  8. outward longwall
  9. longwall coalcutter
  10. underhand longwall
  11. longwall coalcutter
  12. longwall face
  13. longwall method
  14. longwall mining
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