 |
| |||
| 常开; 正常开启 | |||
| normally opened: 6 phrases in 3 subjects |
| Electronics | 1 |
| Oil / petroleum | 3 |
| Telecommunications | 2 |
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