锻件有四个等级，其中IV级锻件要求最高。 （

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24888' and id < 2124254 and id<>'2124254' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24888' and id > 2124254 and id<>'2124254' order by id asc limit 5