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| песчаник с высокой пористостью | |||
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| пористый песок | |||
| open sands: 19 phrases in 9 subjects |
| Agrochemistry | 1 |
| Automobiles | 2 |
| General | 1 |
| Geology | 1 |
| Makarov | 3 |
| Mechanic engineering | 4 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 3 |
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