Механическая трансмиссия в технических системах. Технология. 6 класс
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![Профессионалы оставили трубки не у дел [МНЕНИЕ]](https://sun9-26.userapi.com/8zkvGFBq30skjftquzEWrHrdmo6iX0dPonhrhA/26cnl6K1cl0.jpg)
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