广告设施高处作业范围内如有“四口”设施，晚间应在“四口”处悬挂（）光源以 示警示。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id < 2166119 and id<>'2166119' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id > 2166119 and id<>'2166119' order by id asc limit 5