自动切换电器是依靠本身参数的变化或外来讯号而自动进行工作的。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='27225' and id < 2260034 and id<>'2260034' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27225' and id > 2260034 and id<>'2260034' order by id asc limit 5