对于容量相差不大的两台变压器，并联运行时负载系数仅决定于（ ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68478' and id < 4421385 and id<>'4421385' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68478' and id > 4421385 and id<>'4421385' order by id asc limit 5