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固定线路; 定期航线 | |||
固定[品]系 | |||
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固定线路 |
fixed lines: 26 phrases in 12 subjects |
Commerce | 1 |
Electronics | 2 |
Engineering geology | 1 |
Information technology | 1 |
Nautical | 1 |
Project management | 2 |
Rail transport | 1 |
Scuba diving | 1 |
Space | 1 |
Submarines | 2 |
Technology | 7 |
Telecommunications | 6 |