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protecting pillar वाक्य

"protecting pillar" हिंदी मेंprotecting pillar in a sentence
उदाहरण वाक्यमोबाइल
  • The device of loading coal and protecting pillar in conventionally - mechanized coal winning technology face
  • Analyzing to the phenomenon of underground pressure and the stress of surrounding rock in roadway protecting pillar

protecting pillar sentences in Hindi. What are the example sentences for protecting pillar? protecting pillar English meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.