高处作业中，下降器有（）等多种形式。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25759' and id < 2164565 and id<>'2164565' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25759' and id > 2164565 and id<>'2164565' order by id asc limit 5