কঠিন আবরণ (2453246424952472 2438247624802467) - Meaning in English: Meaning of কঠিন আবরণ in English, What is the meaning of in English Dictionary. Pronunciation, synonyms, antonyms, sentence usage and definition of কঠিন আবরণ . meaning, pronunciation, definition, synonyms and antonyms in English. কঠিন আবরণ ka angrezi mein matalab arth aur proyog
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