对于重载、低速的轴承，则应选用（ ）的润滑油。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id < 2124645 and id<>'2124645' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id > 2124645 and id<>'2124645' order by id asc limit 5