题目内容
菜刀经常要磨,是为了( )
2021-11-11
A.减小受力面积,减小压强
B.减小受力面积,增大压强
C.增大受力面积,增大压强
D.增大受力面积,减小压强
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='27807' and id < 2285912 and id<>'2285912' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27807' and id > 2285912 and id<>'2285912' order by id asc limit 5