 |
| |||
| 一次冲击 | |||
| single blow: 9 phrases in 4 subjects |
| Chemistry | 2 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 1 |
| Technology | 3 |
|
| |||
| 一次冲击 | |||
| single blow: 9 phrases in 4 subjects |
| Chemistry | 2 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Metallurgy | 1 |
| Technology | 3 |