| |||
| 一次反射 | |||
| 原始反射 | |||
|
primary reflection : 4 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| |||
| 一次反射 | |||
| 原始反射 | |||
|
primary reflection : 4 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |