润滑脂主要适用于（ ）的场合。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id < 2124662 and id<>'2124662' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id > 2124662 and id<>'2124662' order by id asc limit 5