| |||
| 作用因素; 影响因素 | |||
|
affecting factor : 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Refrigeration | 2 |
| Technology | 1 |
| |||
| 作用因素; 影响因素 | |||
|
affecting factor : 6 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Refrigeration | 2 |
| Technology | 1 |