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越限呆滞区上下限复限值同时减少，则对同一监视信号，告警次数是( )

A、越上限增加、越下限减少

B、越上限越下限都增加

C、越上限减少、越下限增加

D、越上限越下限都减少

时间：2021-09-01 20:47 关键词：联大河南理工大学电气工程及其自动化电力自动化

答案解析

C

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