发电机的单位调节功率可以表示为(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id < 4498613 and id<>'4498613' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id > 4498613 and id<>'4498613' order by id asc limit 5