题目内容
叠加定理只适用于电流和电压,对功率不适用。( )
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69475' and id < 4499699 and id<>'4499699' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69475' and id > 4499699 and id<>'4499699' order by id asc limit 5