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| 开关配电，转换继电器 | |||
| 开关操作继电器 | |||
| 转换继电器 | |||
| 开关操纵继电器; 切换继电器 | |||
| switching relay: 18 phrases in 6 subjects |
| Automobiles | 3 |
| Aviation | 2 |
| Electronics | 6 |
| Information technology | 1 |
| Shipbuilding | 1 |
| Technology | 5 |
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