以下消毒剂中，属于中效消毒剂的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30932' and id < 2489645 and id<>'2489645' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30932' and id > 2489645 and id<>'2489645' order by id asc limit 5