电流互感器在运行时，二次绕组(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id < 4503877 and id<>'4503877' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id > 4503877 and id<>'4503877' order by id asc limit 5