 |
| |||
| call time; circuit time; connect time | |||
| call duration; connection time | |||
| chargeable time; billing time | |||
| line holding time | |||
|
Verbindungsdauer : 4 短语, 2 学科 |
| 电信 | 3 |
| 通讯 | 1 |
|
| |||
| call time; circuit time; connect time | |||
| call duration; connection time | |||
| chargeable time; billing time | |||
| line holding time | |||
|
Verbindungsdauer : 4 短语, 2 学科 |
| 电信 | 3 |
| 通讯 | 1 |