 |
| |||
| surface recording | |||
| 地 面记录: 35 phrases in 12 subjects |
| Aviation | 4 |
| Communications | 2 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geophysics | 5 |
| Mining | 3 |
| Navigation | 2 |
| Oil / petroleum | 5 |
| Space | 2 |
| Technology | 8 |
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