变压器的T型等效电路中反映铁损耗大小的参数是（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32654' and id < 2596270 and id<>'2596270' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32654' and id > 2596270 and id<>'2596270' order by id asc limit 5