| |||
| 设计原理则 | |||
| |||
| 设计原则 | |||
| 设计原理 | |||
|
principles of design : 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| |||
| 设计原理则 | |||
| |||
| 设计原则 | |||
| 设计原理 | |||
|
principles of design : 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |