 |
| 形 缺口: 64 phrases in 18 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Explosives and Explosive Ordnance Disposal | 3 |
| General | 3 |
| Hydraulics | 2 |
| Hydroelectric power stations | 3 |
| Information technology | 1 |
| Metallurgy | 21 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Plastics | 2 |
| Polymers | 3 |
| Securities | 2 |
| Shooting sport | 1 |
| Technology | 14 |
| Telecommunications | 1 |
| Textile industry | 1 |