具有架空地线的输电线路，其零序阻抗比无架空地线时要小。(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69457' and id < 4498190 and id<>'4498190' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69457' and id > 4498190 and id<>'4498190' order by id asc limit 5