塔设备的裙座结构上一般须设置（ ）人孔。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24908' and id < 2125114 and id<>'2125114' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24908' and id > 2125114 and id<>'2125114' order by id asc limit 5