发电机突然甩负荷引起频率升高属于不正常的状态。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id < 4491808 and id<>'4491808' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69391' and id > 4491808 and id<>'4491808' order by id asc limit 5