动脉闭塞后脑组织开始液化的时间为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25665' and id < 2156988 and id<>'2156988' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25665' and id > 2156988 and id<>'2156988' order by id asc limit 5