 |
| |||
| prestressed reinforcement | |||
| предварительно напряжённая арматура бетона: 20 phrases in 6 subjects |
| Bridge construction | 3 |
| Cement | 3 |
| Construction | 4 |
| Military | 3 |
| Road works | 6 |
| Technology | 1 |
|
| |||
| prestressed reinforcement | |||
| предварительно напряжённая арматура бетона: 20 phrases in 6 subjects |
| Bridge construction | 3 |
| Cement | 3 |
| Construction | 4 |
| Military | 3 |
| Road works | 6 |
| Technology | 1 |