 |
| |||
| oxygen compounds | |||
| кислород соединения: 22 phrases in 8 subjects |
| Chemistry | 1 |
| Ecology | 6 |
| Electronics | 1 |
| Energy industry | 6 |
| Makarov | 3 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Water supply | 3 |
|
| |||
| oxygen compounds | |||
| кислород соединения: 22 phrases in 8 subjects |
| Chemistry | 1 |
| Ecology | 6 |
| Electronics | 1 |
| Energy industry | 6 |
| Makarov | 3 |
| Oil / petroleum | 1 |
| Technology | 1 |
| Water supply | 3 |