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| 电话所 | |||
| 电话局 | |||
| Telephone Office: 28 phrases in 8 subjects |
| Communications | 5 |
| Electronics | 5 |
| General | 1 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Project management | 1 |
| Technology | 10 |
| Telecommunications | 4 |
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