关于架空地线对线路零序阻抗的影响，下列说法正确的有(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69515' and id < 4503519 and id<>'4503519' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69515' and id > 4503519 and id<>'4503519' order by id asc limit 5