题目内容
在三相交流电路中,负载对称的条件是( )。
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69317' and id < 4487721 and id<>'4487721' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69317' and id > 4487721 and id<>'4487721' order by id asc limit 5