单元接线中主变压器的容量与下列因素（  ）有关。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69483' and id < 4500495 and id<>'4500495' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69483' and id > 4500495 and id<>'4500495' order by id asc limit 5