宫内节育器的特点不正确的是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25561' and id < 2150702 and id<>'2150702' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25561' and id > 2150702 and id<>'2150702' order by id asc limit 5