液体摩擦时摩擦表面间有足够厚度的压力油液，两摩擦表面间不会有任何摩擦。（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24897' and id < 2124628 and id<>'2124628' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24897' and id > 2124628 and id<>'2124628' order by id asc limit 5