By improving the structure of optical path, catching the sample signal of optical voltage sensor in reason and controlling the temperature of secondary part, the stability of OMU has been improved. Then, the OMU can achieve 0.2 accuracy class.是什么意思_By improving the structure of optical path, catching the sample signal of optical voltage sensor in reason and controlling the temperature of secondary part, the stability of OMU has been improved. Then, the OMU can achieve 0.2 accuracy class.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句