碱储是指（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31199' and id < 2507030 and id<>'2507030' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31199' and id > 2507030 and id<>'2507030' order by id asc limit 5