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| 固定线路 | |||
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fixed-line : 26 phrases in 13 subjects |
| Commerce | 1 |
| Electronics | 2 |
| Energy industry | 1 |
| Engineering geology | 1 |
| Information technology | 1 |
| Nautical | 1 |
| Project management | 2 |
| Rail transport | 1 |
| Scuba diving | 1 |
| Submarines | 2 |
| Technology | 6 |
| Telecommunications | 6 |
| Transport | 1 |