 |
| |||
| electric gyroscope | |||
| 电 陀螺仪: 34 phrases in 7 subjects |
| Aviation | 5 |
| Electronics | 3 |
| Geophysics | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 2 |
| Space | 11 |
| Technology | 11 |
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