制作电机铁芯的硅钢片材料越薄，则（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69398' and id < 4492753 and id<>'4492753' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69398' and id > 4492753 and id<>'4492753' order by id asc limit 5