包绕在电极表面的薄固体绝缘层称为覆盖。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id < 2597729 and id<>'2597729' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id > 2597729 and id<>'2597729' order by id asc limit 5