 |
| |||
| input port | |||
|
输入端口 : 11 phrases in 6 subjects |
| Aviation | 1 |
| Electric machinery | 1 |
| Electronics | 3 |
| Information technology | 4 |
| Multimedia | 1 |
| Steel production | 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