填料函式换热器是通过填料的变形来补偿管壳程温度变化引起的变形。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id < 2125251 and id<>'2125251' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id > 2125251 and id<>'2125251' order by id asc limit 5