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This paper discusses the error of Mechanical-electronic prepayment meter, its calculation, testing and adjusting method.
讨论机电式预付费电能表的误差计算、测定和调整方法。
youdao
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This paper discusses the error of Mechanical-electronic prepayment meter, its calculation, testing and adjusting method.
讨论机电式预付费电能表的误差计算、测定和调整方法。
youdao