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prop-free face meaning in English

无支柱回采工作面

Related Words

  1. proping
  2. left prop
  3. breaking props
  4. outside props
  5. hollow prop
  6. prop root
  7. timber prop
  8. metal prop
  9. prop drawing
  10. propped beam
  11. prop-crib timbering
  12. prop-fan
  13. prop-job
  14. prop-laden fluid
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