同一型号导线用在 500kV 比用在 220kV，其线路电纳()。（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id < 4494319 and id<>'4494319' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id > 4494319 and id<>'4494319' order by id asc limit 5