Урок 59 (осн). Жидкостный поршневой насос
Урок физики в Ришельевском лицее
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![Нострадамус. Лжец или пророк? / [История по Чёрному]](https://sun9-19.userapi.com/v_l3xax57WCmoMi3xBOKUtvzPMEuaaNR-mM58Q/7IwdwKh-buA.jpg)
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