 |
| 连续 操作: 36 phrases in 15 subjects |
| Animal husbandry | 1 |
| Architecture | 1 |
| Business | 1 |
| Chemistry | 1 |
| Commerce | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Information technology | 1 |
| Metallurgy | 9 |
| Oil / petroleum | 2 |
| Space | 2 |
| Steel production | 1 |
| Technology | 11 |
| Textile industry | 1 |