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| 用户线路 | |||
| 用户线路 | |||
| 用户专用线 | |||
| 用户线; 本地线路 | |||
| subscriber line: 197 phrases in 13 subjects |
| Advertising | 3 |
| Aviation | 3 |
| Communications | 3 |
| Computer networks | 5 |
| Electronics | 89 |
| Geophysics | 2 |
| Information technology | 18 |
| Multimedia | 8 |
| Nautical | 1 |
| Project management | 7 |
| Space | 5 |
| Technology | 12 |
| Telecommunications | 41 |
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