沿面放电电压与同样距离下的纯空气间隙的放电电压相比总是（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id < 2597761 and id<>'2597761' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32664' and id > 2597761 and id<>'2597761' order by id asc limit 5