进行动火分析时，取样与动火时间不得超过（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24819' and id < 2121750 and id<>'2121750' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24819' and id > 2121750 and id<>'2121750' order by id asc limit 5