According to the condition of Datong network in 2004,this paper analyzes the N-1 breaking of 220 kV(transmission) line by the use of BPA power system analysis software,and then makes conclusion and proposes some suggestions.是什么意思_According to the condition of Datong network in 2004,this paper analyzes the N-1 breaking of 220 kV(transmission) line by the use of BPA power system analysis software,and then makes conclusion and proposes some suggestions.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句