 |
| |||
| кольцевой туннель | |||
| ring tunnel: 9 phrases in 6 subjects |
| Bridge construction | 1 |
| Building structures | 1 |
| Construction | 1 |
| Metro and rapid transit | 4 |
| Rail transport | 1 |
| Technology | 1 |
|
| |||
| кольцевой туннель | |||
| ring tunnel: 9 phrases in 6 subjects |
| Bridge construction | 1 |
| Building structures | 1 |
| Construction | 1 |
| Metro and rapid transit | 4 |
| Rail transport | 1 |
| Technology | 1 |