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protecting pillar वाक्य

"protecting pillar" हिंदी में  protecting pillar in a sentence  

उदाहरण वाक्य

  1. The device of loading coal and protecting pillar in conventionally - mechanized coal winning technology face
  2. Analyzing to the phenomenon of underground pressure and the stress of surrounding rock in roadway protecting pillar


के आस-पास के शब्द

  1. protected tree
  2. protected zone
  3. protecting
  4. protecting agent
  5. protecting glass
  6. protecting power
  7. protection
  8. protection effect
  9. protection forestry
  10. protection in respect of conviction for offences
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