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protecting pillar sentence in Hindi

"protecting pillar" meaning in Hindi  protecting pillar in a sentence  

Examples

  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


Related Words

  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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