 |
| |||
| 全忙; 全部占线 | |||
| all busy: 18 phrases in 8 subjects |
| Aviation | 1 |
| Business | 1 |
| Computer networks | 1 |
| Electronics | 4 |
| General | 5 |
| Information technology | 1 |
| Technology | 2 |
| Telecommunications | 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