题目内容
电路如图5所示,则端口的开路电压( )V。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68473' and id < 4420988 and id<>'4420988' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68473' and id > 4420988 and id<>'4420988' order by id asc limit 5