空载线路合闸过电压的主要影响因素是（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69005' and id < 4466147 and id<>'4466147' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69005' and id > 4466147 and id<>'4466147' order by id asc limit 5