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| rel | |
| 保险 信息技术 电子产品 | relay |
| central | |
| 通讯 | exchange; CO switch; central office switch; central office switching system |
| 通讯 信息技术 | telecommunications switchboard; message switching center; switch |
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| relay | |||
| 丹麦语 词库 | |||
| |||
| relation; relativ; religion; religiøs | |||
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rel : 1 短语, 1 学科 |
| 信息技术 | 1 |