发明无氟电冰箱的原因是氟利昂会（ ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id < 2247049 and id<>'2247049' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27099' and id > 2247049 and id<>'2247049' order by id asc limit 5