三相异步电动机转差率s<0时，电动机处于（  ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id < 4421243 and id<>'4421243' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id > 4421243 and id<>'4421243' order by id asc limit 5