防火墙（Firewall）是 （ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24937' and id < 2126342 and id<>'2126342' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24937' and id > 2126342 and id<>'2126342' order by id asc limit 5