 |
| |||
| returning vapor | |||
| обратный поток пара: 4 phrases in 4 subjects |
| Energy industry | 1 |
| Mechanic engineering | 1 |
| Nuclear physics | 1 |
| Technology | 1 |
|
| |||
| returning vapor | |||
| обратный поток пара: 4 phrases in 4 subjects |
| Energy industry | 1 |
| Mechanic engineering | 1 |
| Nuclear physics | 1 |
| Technology | 1 |