题目内容
负荷的功率——频率静特性系数可以表示为( )
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id < 4501924 and id<>'4501924' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69497' and id > 4501924 and id<>'4501924' order by id asc limit 5