| |||
| 效果监察器 | |||
|
effect monitor : 3 phrases in 3 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nuclear physics | 1 |
| |||
| 效果监察器 | |||
|
effect monitor : 3 phrases in 3 subjects |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Nuclear physics | 1 |