消化性溃疡并发幽门梗阻时，呕吐常发生的 时间是（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25563' and id < 2155189 and id<>'2155189' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25563' and id > 2155189 and id<>'2155189' order by id asc limit 5