 |
| |||
| digital document | |||
|
数字文件 : 20 phrases in 9 subjects |
| Agriculture | 1 |
| Aviation | 3 |
| Electronics | 4 |
| Information technology | 2 |
| Librarianship | 3 |
| Oil / petroleum | 1 |
| Project management | 1 |
| Space | 2 |
| Technology | 3 |
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