系杆: 130 phrases in 16 subjects |
Aerohydrodynamics | 1 |
Aviation | 7 |
Banking | 3 |
Bridge construction | 1 |
Business | 2 |
Construction | 15 |
Electronics | 7 |
Finances | 1 |
General | 37 |
Loading equipment | 1 |
Military | 3 |
Nautical | 2 |
Oil processing plants | 2 |
Rail transport | 1 |
Space | 1 |
Technology | 46 |