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Akụkọ ngwaahịa

  • Kedu ihe bụ nkwakọ ngwaahịa vacuum?

    Kedu ihe bụ nkwakọ ngwaahịa vacuum?

    Nkwakọ ngwaahịa Vacuum bụ iji mechie ihe ndị ahụ mgbe ewepụtara ikuku dị na akpa nkwakọ ngwaahịa, ka o wee nweta ebumnuche idobe nchekwa ọhụrụ na ogologo oge nke ...
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