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| система азота | |||
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| система подачи азота | |||
| азотная установка | |||
| Nitrogen system: 38 phrases in 15 subjects |
| Astronautics | 7 |
| Astronomy | 2 |
| Aviation | 3 |
| Aviation medicine | 1 |
| Construction | 2 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 4 |
| Mass media | 1 |
| Military | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Refrigeration | 3 |
| Sakhalin | 2 |
| Technology | 8 |