 |
| |||
| horseshoe section (тоннеля) | |||
| подковообразное сечение: 9 phrases in 5 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Hydraulic engineering | 1 |
| Mining | 1 |
| Technology | 5 |
|
| |||
| horseshoe section (тоннеля) | |||
| подковообразное сечение: 9 phrases in 5 subjects |
| Bridge construction | 1 |
| Electronics | 1 |
| Hydraulic engineering | 1 |
| Mining | 1 |
| Technology | 5 |