 |
| |||
| sign | |||
| 答号: 42 phrases in 13 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Computer networks | 1 |
| Electronics | 7 |
| General | 2 |
| Geophysics | 2 |
| Information technology | 5 |
| Military | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 11 |
| Telecommunications | 5 |
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