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港口服务
| 信号
| 港口服务 | |
| busin. | harbour service |
| WRU 信号 | |
| IT | who-are-you |
| Y信号 | |
| IT | Y signal |
| 信号 | |
| anim.husb. | signalment |
| hydroel.st. | sign |
| met. | annunciation; command; indication; signalling |
| |||
| harbour service | |||
| port services | |||
|
港口服务 : 4 phrases in 3 subjects |
| Business | 1 |
| Shipbuilding | 2 |
| Technology | 1 |