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| свободный атмосферный азот | |||
| свободный азот | |||
| атмосферный азот | |||
| free nitrogen: 22 phrases in 10 subjects |
| Agriculture | 2 |
| Agrochemistry | 5 |
| Animal husbandry | 1 |
| Biotechnology | 1 |
| Ecology | 1 |
| Energy industry | 2 |
| Food service and catering | 2 |
| Makarov | 6 |
| Medical | 1 |
| Technology | 1 |
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