 |
| |||
| 预制弓形块; 装配式预制的 | |||
|
precast- segmental : 18 phrases, 3 sujets |
| Construction de ponts | 6 |
| Construction de route | 1 |
| Technologie | 11 |
|
| |||
| 预制弓形块; 装配式预制的 | |||
|
precast- segmental : 18 phrases, 3 sujets |
| Construction de ponts | 6 |
| Construction de route | 1 |
| Technologie | 11 |