根据经验，滑动轴承装配时应保证留有（ ）的轴向间隙。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id < 2124858 and id<>'2124858' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id > 2124858 and id<>'2124858' order by id asc limit 5