3/2接线在正常运行时，其两组母线同时工作，所有断路器均为闭合状态运行。(   )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id < 4504071 and id<>'4504071' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id > 4504071 and id<>'4504071' order by id asc limit 5