附属设备: 45 phrases in 13 subjects |
Air defense | 3 |
Architecture | 2 |
Aviation | 2 |
Business | 1 |
Electronics | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 5 |
Project management | 1 |
Rail transport | 3 |
Scuba diving | 1 |
Space | 4 |
Technology | 19 |