 |
| |||
| incoming trunk | |||
|
局 中继线 : 30 phrases in 6 subjects |
| Communications | 1 |
| Electronics | 13 |
| Information technology | 4 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 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