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 |