电流互感器需要选择或校验(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id < 4504035 and id<>'4504035' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id > 4504035 and id<>'4504035' order by id asc limit 5