任何运行中的星形接线设备的中性点应视为（  ）。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id < 4500755 and id<>'4500755' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id > 4500755 and id<>'4500755' order by id asc limit 5