变压器电流速断保护的灵敏度校验不满足要求时改用（   ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69380' and id < 4491651 and id<>'4491651' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69380' and id > 4491651 and id<>'4491651' order by id asc limit 5