当两个线圈的电流均从同名端流进（或流出）时，自感磁链和相应的互感磁链是相互（　    ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id < 4420932 and id<>'4420932' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68472' and id > 4420932 and id<>'4420932' order by id asc limit 5