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关注：1
2013-05-23 12:21
求翻译：牵引供电系统工频过电压是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
牵引供电系统工频过电压
问题补充： |
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2013-05-23 12:21:38
Traction power supply system frequency overvoltage
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2013-05-23 12:23:18
traction power supply system for over-voltage
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2013-05-23 12:24:58
Hauling power supply system power frequency overvoltage
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2013-05-23 12:26:38
Traction power supply system for power frequency over-voltage
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2013-05-23 12:28:18
Traction power supply system for power frequency over-voltage
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