题目内容
对称负载星形联结时,线电压是相电压的倍,且相位滞后相应的相电压30°()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id < 2599394 and id<>'2599394' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id > 2599394 and id<>'2599394' order by id asc limit 5