电阻串联时，等效电阻必大于任-一个串联电阻。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id < 2598778 and id<>'2598778' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32670' and id > 2598778 and id<>'2598778' order by id asc limit 5