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| 沿路线的附属服务设备 (设施) | |||
| 辅助服务设备; 附属服务设备 | |||
| 辅助服务 | |||
| 附属服务设施 | |||
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| 辅助服务 | |||
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auxiliary service : 13 phrases in 8 subjects |
| Aviation | 2 |
| Earth sciences | 3 |
| Electric machinery | 1 |
| Electronics | 1 |
| Environment | 1 |
| General | 1 |
| Nautical | 3 |
| Transport | 1 |
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