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| 公共交换网络 | |||
| 公用交换网络 | |||
| 公共交换网 | |||
| English thesaurus | |||
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| public switching net (ssn) | |||
| public switching network: 10 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Information technology | 2 |
| Space | 2 |
| Technology | 1 |
| Telecommunications | 1 |
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