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| 航线管理; 路由管理 | |||
| route management: 14 phrases in 8 subjects |
| Agriculture | 2 |
| Aviation | 2 |
| Business | 2 |
| Electronics | 3 |
| Information technology | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
| Telecommunications | 1 |
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