 |
|
内 径 : 138 phrases in 17 subjects |
| Astronautics | 2 |
| Aviation | 1 |
| Cardiology | 1 |
| Drilling | 2 |
| Electronics | 10 |
| General | 46 |
| Mathematics | 4 |
| Medical | 9 |
| Metrology | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 4 |
| Oil processing plants | 5 |
| Rail transport | 2 |
| Silicate industry | 1 |
| Technology | 45 |
| Welding | 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