A.70%~90%B.75%~90%C.70%~80%D.70%~85%
A.手動召測B.自動召測C.隨機(jī)召測數(shù)據(jù)D.指定召測數(shù)據(jù)
A.本地載波抄表B.本地紅外抄表C.本地RS485通信抄表D.本地網(wǎng)絡(luò)抄表