 |
| |||
| return duct; return line; return path | |||
| reverse channel | |||
| back channel | |||
| backward channel; return channel | |||
| upstream channel (ADSL); echo channel | |||
| Ruckkanal: 5 短语, 2 学科 |
| 电子产品 | 1 |
| 通讯 | 4 |
|
| |||
| return duct; return line; return path | |||
| reverse channel | |||
| back channel | |||
| backward channel; return channel | |||
| upstream channel (ADSL); echo channel | |||
| Ruckkanal: 5 短语, 2 学科 |
| 电子产品 | 1 |
| 通讯 | 4 |