单相交流调压电路带电阻负载，α的移相范围为（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32652' and id < 2596125 and id<>'2596125' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32652' and id > 2596125 and id<>'2596125' order by id asc limit 5