The first of the 10 converter transformers using 800-kV technology for the HVDC system in China will be quickly followed by others.是什么意思_The first of the 10 converter transformers using 800-kV technology for the HVDC system in China will be quickly followed by others.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句