以下(    )属于绝缘的破坏性放电。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id < 4504496 and id<>'4504496' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id > 4504496 and id<>'4504496' order by id asc limit 5