距离保护中阻抗继电器，需要采用记忆回路与引入第三相电压的是(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69532' and id < 4505196 and id<>'4505196' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69532' and id > 4505196 and id<>'4505196' order by id asc limit 5