短語詞組短語Jamming System Normal Operation 干擾系統(tǒng)正常運行large system engineering operation 大系統(tǒng)工程作業(yè)process system evolutionary operation 過程系統(tǒng)操作調(diào)優(yōu)system economical operation 系統(tǒng)經(jīng)濟運行system safety operation 系統(tǒng)安全運行power system safety operation 電網(wǎng)安全運行water system optimization operation 水系統(tǒng)優(yōu)化運行Whilst system in operation 機器運行時可同步操作system makes operation 使運行 返回 system operation