修复时间: 51 phrases in 16 subjects |
Agriculture | 1 |
Air defense | 2 |
Aviation | 5 |
Business | 3 |
Communications | 1 |
Economy | 2 |
Electronics | 7 |
General | 1 |
Information technology | 6 |
Metallurgy | 1 |
Reliability | 4 |
Shipbuilding | 1 |
Space | 5 |
Technology | 4 |
Telecommunications | 7 |
Transport | 1 |