在二分之三断路器接线中,以下说法正确的是()（0.5）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494871 and id<>'4494871' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494871 and id<>'4494871' order by id asc limit 5