图示环网中变压器的变比均为实际变比，对于环网中的循环功率，正确的说法是(  ) （0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69416' and id < 4494591 and id<>'4494591' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69416' and id > 4494591 and id<>'4494591' order by id asc limit 5