一个半断路器接线属于无汇流母线接线。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id < 4503967 and id<>'4503967' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id > 4503967 and id<>'4503967' order by id asc limit 5