电压型并联谐振逆变电路负载电压波形是正弦波。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32650' and id < 2596041 and id<>'2596041' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32650' and id > 2596041 and id<>'2596041' order by id asc limit 5