 |
| |||
| ordered pair | |||
|
序偶 : 13 phrases in 10 subjects |
| Agriculture | 2 |
| Business | 1 |
| Computer networks | 2 |
| Information technology | 2 |
| Metallurgy | 1 |
| Project management | 1 |
| Rail transport | 1 |
| Technology | 1 |
| Telecommunications | 1 |
| Textile industry | 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