在下面给出的各组电压中，完全属于电力系统额定电压的一组是(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69456' and id < 4498074 and id<>'4498074' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69456' and id > 4498074 and id<>'4498074' order by id asc limit 5