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انجمن علمی مهندسی مکانیک دانشگاه بیرجند Telegram News
The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. 5Telegram Channel avatar size/dimensions Clear A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” How to create a business channel on Telegram? (Tutorial)
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