题目内容
对称的△形连接电路中,线电流在数值上是相电流的倍,线电流在相位上滞后与其相对应的相电流30°()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id < 2599386 and id<>'2599386' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id > 2599386 and id<>'2599386' order by id asc limit 5