常用机械油的牌号是其运动黏度的平均值。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id < 2124678 and id<>'2124678' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24898' and id > 2124678 and id<>'2124678' order by id asc limit 5