耐雷水平是指雷击线路时线路绝缘不发生冲击闪络的（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32607' and id < 2592820 and id<>'2592820' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32607' and id > 2592820 and id<>'2592820' order by id asc limit 5