题目内容
以下材料可作为高温容器用钢的是( )。
2021-10-04
A.15CrMo
B.15MnV
C.40MnB
D.40MnV
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24887' and id < 2124192 and id<>'2124192' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24887' and id > 2124192 and id<>'2124192' order by id asc limit 5