建筑物顶层平台的广告设施施工作业经常处于（）等范围，所以应加强防护 措施。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id < 2166125 and id<>'2166125' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id > 2166125 and id<>'2166125' order by id asc limit 5