辅助安全用具的绝缘强度较低不能承受高电压带电设备或线路的工作电压只能加强基本安全用具的绝缘作用

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55216' and id < 3487927 and id<>'3487927' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55216' and id > 3487927 and id<>'3487927' order by id asc limit 5