Проверка блоков на теплопроводность
Испытатели сравнили теплопроводность кирпича и газобетона
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4 months ago 00:00:46 818
4 months ago 00:08:32 21.6K
4 months ago 00:02:48 1
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4 months ago 00:01:46 13K
4 months ago 00:02:36 22