 |
| |||
| кислород для обогащения дутья | |||
|
enrichment oxygen : 8 phrases in 6 subjects |
| Energy industry | 1 |
| Makarov | 2 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |
|
| |||
| кислород для обогащения дутья | |||
|
enrichment oxygen : 8 phrases in 6 subjects |
| Energy industry | 1 |
| Makarov | 2 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 2 |