板式换热器检修后重新组装时，需进行水压试验，合格后可不再进行气密性试验。（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id < 2125252 and id<>'2125252' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id > 2125252 and id<>'2125252' order by id asc limit 5