 |
|
密 封 度 : 33 phrases in 16 subjects |
| Automobiles | 5 |
| Aviation | 2 |
| Compressors | 3 |
| Drilling | 1 |
| Electronics | 4 |
| Engineering geology | 1 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Information technology | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Packaging | 1 |
| Space | 2 |
| Technology | 7 |
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