空载线路合闸过电压也是一种常见的操作过电压。可以发生在（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32668' and id < 2598486 and id<>'2598486' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32668' and id > 2598486 and id<>'2598486' order by id asc limit 5