 |
| |||
| 硝铵炸药 | |||
| an explosive: 42 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 38 |
| General | 1 |
| Technology | 1 |
|
| |||
| 硝铵炸药 | |||
| an explosive: 42 phrases in 5 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 38 |
| General | 1 |
| Technology | 1 |