为安全起见，更换熔断器时，最好断开负载。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id < 2260254 and id<>'2260254' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id > 2260254 and id<>'2260254' order by id asc limit 5