异步电动机的定、转子铁心用相互绝缘的0.35或0.3毫米厚的硅钢片叠成，说法错误的是（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69445' and id < 4497275 and id<>'4497275' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69445' and id > 4497275 and id<>'4497275' order by id asc limit 5