 |
| |||
| hydrogen cell | |||
| водородный элемент: 30 phrases in 11 subjects |
| Astronautics | 2 |
| Automobiles | 2 |
| Ecology | 3 |
| Electrical engineering | 2 |
| Electrochemistry | 2 |
| Electronics | 3 |
| Makarov | 6 |
| Nautical | 1 |
| Solar power | 1 |
| Technology | 5 |
| Transport | 3 |
|
| |||
| hydrogen cell | |||
| водородный элемент: 30 phrases in 11 subjects |
| Astronautics | 2 |
| Automobiles | 2 |
| Ecology | 3 |
| Electrical engineering | 2 |
| Electrochemistry | 2 |
| Electronics | 3 |
| Makarov | 6 |
| Nautical | 1 |
| Solar power | 1 |
| Technology | 5 |
| Transport | 3 |