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BT-7Thực đơn
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WikiPedia: BT-7 http://www.wwiivehicles.com/soviet-union/organizat... http://www.wwiivehicles.com/ussr/tanks-medium/bt-7... http://www.jaegerplatoon.net/TANKS5.htm http://english.battlefield.ru/bt-7.html https://www.youtube.com/watch?v=RAgROdZd5gs