 |
| |||
| 同步数字传输 | |||
|
synchronous digital transmission : 5 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 3 |
| Rail transport | 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