A.800~1800B.1700~2000C.600~1800D.1700~1800
A.電能計量B.電壓統(tǒng)計監(jiān)測C.負(fù)荷控制D.諧波監(jiān)測
A.遠(yuǎn)程控制告警B.計量設(shè)備告警C.用電異常告警D.其他告警