食用含脂肪较少的食物，术前禁食时间为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27310' and id < 2261750 and id<>'2261750' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27310' and id > 2261750 and id<>'2261750' order by id asc limit 5