继电保护根据实际情况作用跳闸或发出信号、减负荷或延时跳闸。（  ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id < 4501571 and id<>'4501571' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69493' and id > 4501571 and id<>'4501571' order by id asc limit 5