题目内容
雷电波通过串联电抗器后,其波头陡度减低。()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32606' and id < 2592781 and id<>'2592781' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32606' and id > 2592781 and id<>'2592781' order by id asc limit 5