According to characteristics of EHV transmission line fault transient current,a fault can be identified as internal or external one based on the spectrum energies in many frequency bands.是什么意思_According to characteristics of EHV transmission line fault transient current,a fault can be identified as internal or external one based on the spectrum energies in many frequency bands.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句