复用段、再生段、高阶通道和低阶通道的误码监测字节：

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id < 2448291 and id<>'2448291' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id > 2448291 and id<>'2448291' order by id asc limit 5