滚动轴承严重磨损后，釆用（ ）方法保证机器正常运转。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24901' and id < 2124818 and id<>'2124818' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24901' and id > 2124818 and id<>'2124818' order by id asc limit 5