较大的反应器内壁有聚合物结焦现象，用（ ）方法清洗为宜。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24908' and id < 2125098 and id<>'2125098' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24908' and id > 2125098 and id<>'2125098' order by id asc limit 5