 |
| |||
| talkback; intercommunication system; talk-back circuit; two-way loud speaker | |||
| intercommunication station | |||
| intercom; interphone; intercom system | |||
| |||
| Intercom station | |||
|
interfono : 19 短语, 2 学科 |
| 运输 | 3 |
| 通讯 | 16 |
|
| |||
| talkback; intercommunication system; talk-back circuit; two-way loud speaker | |||
| intercommunication station | |||
| intercom; interphone; intercom system | |||
| |||
| Intercom station | |||
|
interfono : 19 短语, 2 学科 |
| 运输 | 3 |
| 通讯 | 16 |