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關注：1
2013-05-23 12:21
求翻譯：Total voltage harmonics distortion, must not exceed 3% of the sum of the components of harmonic whereas up to the 49是什么意思？ 待解決
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- 離問題結束還有
Total voltage harmonics distortion, must not exceed 3% of the sum of the components of harmonic whereas up to the 49
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