 |
| |||
| dispatcher telephone system; dispatching telephone system | |||
| 调度 电 话系统: 5 phrases in 2 subjects |
| Technology | 2 |
| Telecommunications | 3 |
|
| |||
| dispatcher telephone system; dispatching telephone system | |||
| 调度 电 话系统: 5 phrases in 2 subjects |
| Technology | 2 |
| Telecommunications | 3 |