在以下设备中，属于电力网的设备有(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69507' and id < 4502826 and id<>'4502826' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69507' and id > 4502826 and id<>'4502826' order by id asc limit 5