脊柱的功能单位是指

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30002' and id < 2431164 and id<>'2431164' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30002' and id > 2431164 and id<>'2431164' order by id asc limit 5