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| 21. | low voltage installation |
| 低压电力装置 |
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| 22. | low voltage electricity |
| 低压电力 |
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| 23. | low voltage level |
| 低电压电平 |
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| 24. | LOW-VOLTAGE DISTRIBUTION |
| 配电盘和控制中心 |
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| 25. | low-voltage regulation |
| 低压侧调压 |
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| 26. | low voltage fuse |
| 低压熔断器 |
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| 27. | extra low voltage |
| 特低压 |
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| 28. | low voltage rectifier |
| 低压整流器 |
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| 29. | low voltage bulb |
| 低压灯泡 |
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| 30. | low-voltage lamp |
| 低压灯 |
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