The AFE can improve the performance of a frecuency converter, increase the efficiency of an oil pumping set and save energy.The significance of its application is also described.是什么意思_The AFE can improve the performance of a frecuency converter, increase the efficiency of an oil pumping set and save energy.The significance of its application is also described.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句