某厂压缩机中冷却器使用一年后，传热效率降低，为满足生产需要应（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id < 2125236 and id<>'2125236' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24911' and id > 2125236 and id<>'2125236' order by id asc limit 5