在不均匀电场中增加介质厚度可以明显提高击穿电压。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69412' and id < 4494216 and id<>'4494216' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69412' and id > 4494216 and id<>'4494216' order by id asc limit 5