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back timbering meaning in English

顶板支护

Related Words

  1. timbering
  2. timbering set
  3. trench timbering
  4. timbering work
  5. trestle timbering
  6. reinforced timbering
  7. herringbone timbering
  8. false timbering
  9. shaft timbering
  10. timbering gallery
  11. back tilt
  12. back tilting table
  13. back titration
  14. back titration method
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