滚动轴承的公差等级为（ ）时，在代号中省略不标。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id < 2124790 and id<>'2124790' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id > 2124790 and id<>'2124790' order by id asc limit 5