单项选择题
A.0.9Un~1.1UnB.0.8Un~1.15UnC.0.6Un~1.15UnD.0.0Un~1.15Un
A.办理工作票许可手续B.办理工作票终结手续C.办理操作票许可手续D.办理调度许可手续
A.1200imp/kWhB.1600imp/kWhC.400imp/kWhD.800imp/kWh