题目内容
优质碳素钢中，常用的中碳钢不包括（ ）=
2021-12-09
A.40# 钢
B.45# 钢
C.50件钢
D.55* 钢
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29166' and id < 2372671 and id<>'2372671' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29166' and id > 2372671 and id<>'2372671' order by id asc limit 5