题目内容
下列与行波波速有关的是()。
2020-12-26
A.导线周围媒质的性质
B.导线半径
C.对地高度
D.铅包半径
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32666' and id < 2598121 and id<>'2598121' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32666' and id > 2598121 and id<>'2598121' order by id asc limit 5