题目内容
输电线路的波阻抗的大小与线路的长度成反比。()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32666' and id < 2598182 and id<>'2598182' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32666' and id > 2598182 and id<>'2598182' order by id asc limit 5