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信号操纵
| 设备
| 信号操纵 | |
| tech. | signal operation |
| 设备 | |
| gen. | gear |
| environ. | equipment; fitting |
| hydroel.st. | appliance |
| met. | attachment; contrivance |
| sport. | facility |
| |||
| signal operation | |||
| 信号操纵: 26 phrases in 6 subjects |
| Agriculture | 1 |
| Automobiles | 10 |
| Aviation | 3 |
| Nautical | 1 |
| Space | 1 |
| Technology | 10 |