保证电气作业安全的技术措施有（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27282' and id < 2260593 and id<>'2260593' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27282' and id > 2260593 and id<>'2260593' order by id asc limit 5