In early July 2006,the first domestic 500 kV series compensator in Sanbao Substation passed system tests and entered the trial operation.是什么意思_In early July 2006,the first domestic 500 kV series compensator in Sanbao Substation passed system tests and entered the trial operation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句