SDH段开销中K2的b6-b8比特插入 表示MS- RDI (复用段远端缺陷指示)。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id < 2448199 and id<>'2448199' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30263' and id > 2448199 and id<>'2448199' order by id asc limit 5