组成缩合鞣质的基本单元是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29381' and id < 2393313 and id<>'2393313' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29381' and id > 2393313 and id<>'2393313' order by id asc limit 5