下列属于现代输电线路中采用的防雷保护措施（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69003' and id < 4465950 and id<>'4465950' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69003' and id > 4465950 and id<>'4465950' order by id asc limit 5