当异步电动机转速大于旋转磁场的转速时，处于（        ）状态。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id < 4421165 and id<>'4421165' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id > 4421165 and id<>'4421165' order by id asc limit 5