变压器的短路电压 Uk% 反映了变压器（  ）的大小？（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id < 4494328 and id<>'4494328' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69414' and id > 4494328 and id<>'4494328' order by id asc limit 5