 |
| |||
| уровень шума в децибелах | |||
| decibel level: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Makarov | 1 |
| Technology | 1 |
|
| |||
| уровень шума в децибелах | |||
| decibel level: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Makarov | 1 |
| Technology | 1 |