下列关于胎盘中绒毛间隙的描述不恰当 的是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id < 2177003 and id<>'2177003' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id > 2177003 and id<>'2177003' order by id asc limit 5