滑动轴承轴瓦常用的材料是轴承钢。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24899' and id < 2124759 and id<>'2124759' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24899' and id > 2124759 and id<>'2124759' order by id asc limit 5