题目内容
在正弦交流稳态电路中能够产生无功功率的元件是()
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SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id < 2599139 and id<>'2599139' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id > 2599139 and id<>'2599139' order by id asc limit 5