二氧化碳灭火器不适宜扑救（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30411' and id < 2458477 and id<>'2458477' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30411' and id > 2458477 and id<>'2458477' order by id asc limit 5