换热管胀接前必须对管端进行正火处理。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id < 2125256 and id<>'2125256' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id > 2125256 and id<>'2125256' order by id asc limit 5