异步电动机可以把电能转换成机械能。（    ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69208' and id < 4481119 and id<>'4481119' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69208' and id > 4481119 and id<>'4481119' order by id asc limit 5