| |||
| 取向式样; 取向图样 | |||
|
orientation pattern : 5 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 3 |
| Technology | 1 |
| |||
| 取向式样; 取向图样 | |||
|
orientation pattern : 5 phrases in 3 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 3 |
| Technology | 1 |