 |
| |||
| sub-level | |||
| sublevel | |||
| 次能 级: 9 phrases in 6 subjects |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 2 |
| Water resources | 1 |
|
| |||
| sub-level | |||
| sublevel | |||
| 次能 级: 9 phrases in 6 subjects |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 2 |
| Water resources | 1 |