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关注：1
2013-05-23 12:21
求翻译：(13) Zero sequence current protection for transformer neutral directly earthed and zero sequence current and voltage protection for transformer neutral earthed with a gap;是什么意思？ 待解决
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- 离问题结束还有
(13) Zero sequence current protection for transformer neutral directly earthed and zero sequence current and voltage protection for transformer neutral earthed with a gap;
问题补充： |
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