[本科]闭锁式方向高频保护中采用故障分量方向继电器具有以下优点：（    ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id < 4500925 and id<>'4500925' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69487' and id > 4500925 and id<>'4500925' order by id asc limit 5