使胎头的矢状缝和中骨盆及出口后径一致的动作是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28457' and id < 2324711 and id<>'2324711' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28457' and id > 2324711 and id<>'2324711' order by id asc limit 5