对于非液体摩擦滑动轴承，为了提髙传动精度，轴承与轴颈的间隙越小越好。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id < 2124875 and id<>'2124875' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id > 2124875 and id<>'2124875' order by id asc limit 5