锅炉设备安装属于高处管道架设作业的（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25762' and id < 2165844 and id<>'2165844' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25762' and id > 2165844 and id<>'2165844' order by id asc limit 5