 |
| |||
| electronic central office; electronic exchange; electronic switching center; electronic switching centre | |||
|
automatische berichtencentrale : 1 短语, 1 学科 |
| 信息技术 | 1 |
|
| |||
| electronic central office; electronic exchange; electronic switching center; electronic switching centre | |||
|
automatische berichtencentrale : 1 短语, 1 学科 |
| 信息技术 | 1 |