题目内容
我国大部分的PDH设备采用
2021-12-28
A.正/负码速调整
B.正码速调整
C.正/0/负码速调整
D.D、字节同步方式
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id < 2448267 and id<>'2448267' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id > 2448267 and id<>'2448267' order by id asc limit 5