在需要经常装拆或装拆困难的场合，可选用（ ）的轴承。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id < 2124784 and id<>'2124784' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24900' and id > 2124784 and id<>'2124784' order by id asc limit 5