在塔设备顶部一般安装有除沫器，目的是减少（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24909' and id < 2125155 and id<>'2125155' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24909' and id > 2125155 and id<>'2125155' order by id asc limit 5