电力系统中重要的电压支撑节点称为电压(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69458' and id < 4498266 and id<>'4498266' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69458' and id > 4498266 and id<>'4498266' order by id asc limit 5