纯净液体介质的击穿场强比气体介质高得多。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id < 4504581 and id<>'4504581' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69525' and id > 4504581 and id<>'4504581' order by id asc limit 5