 |
| |||
| cut-and-cover method | |||
| cut-and-cover method of tunneling | |||
| открытый способ проходки туннеля: 10 phrases in 2 subjects |
| Construction | 3 |
| Technology | 7 |
|
| |||
| cut-and-cover method | |||
| cut-and-cover method of tunneling | |||
| открытый способ проходки туннеля: 10 phrases in 2 subjects |
| Construction | 3 |
| Technology | 7 |