题目内容
晶闸管两端并联一个RC电路的作用是()。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32648' and id < 2595948 and id<>'2595948' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32648' and id > 2595948 and id<>'2595948' order by id asc limit 5