 |
|
系统 检查 : 110 phrases in 19 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Automobiles | 2 |
| Aviation | 34 |
| Earth sciences | 2 |
| Electronics | 24 |
| General | 3 |
| Information technology | 4 |
| Metallurgy | 1 |
| Mining | 1 |
| Navigation | 1 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Project management | 3 |
| Shipbuilding | 10 |
| Space | 6 |
| Technology | 13 |
| Telecommunications | 1 |
| United States | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips