题目内容
维持晶闸管导通的条件是使晶闸管的电流大于()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32648' and id < 2595957 and id<>'2595957' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32648' and id > 2595957 and id<>'2595957' order by id asc limit 5