题目内容
电阻并联时,等效电阻必小于任一个并联电阻。()
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SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id < 2598779 and id<>'2598779' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id > 2598779 and id<>'2598779' order by id asc limit 5