能够维持稳定电晕放电的电场结构属于（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32602' and id < 2592356 and id<>'2592356' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32602' and id > 2592356 and id<>'2592356' order by id asc limit 5