Тугоплавкие металлы и их применение
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![РАЗНИЦА В ПОВЕДЕНИИ МЕТАЛЛОВ НА ЗЕМЛЕ И В КОСМОСЕ [Космическая инженерия] S1E14](https://sun9-67.userapi.com/Ri3CJuyQQDd6nYRUcLdZxlqqQnom_uyV4j6MIQ/B9WBXueZk6o.jpg)
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