 |
| |||
| 预应力结构 | |||
|
prestressed structure : 15 phrases in 5 subjects |
| Architecture | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 6 |
| Rail transport | 1 |
| Technology | 6 |
|
| |||
| 预应力结构 | |||
|
prestressed structure : 15 phrases in 5 subjects |
| Architecture | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 6 |
| Rail transport | 1 |
| Technology | 6 |