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| 传送信道; 转接信道 | |||
| transfer channel: 18 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Business | 1 |
| Computer networks | 1 |
| Computers | 1 |
| Electronics | 10 |
| Information technology | 2 |
| International trade | 1 |
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