题目内容
消防联动控制器的电压输出应采用直流( )V。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29260' and id < 2381743 and id<>'2381743' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29260' and id > 2381743 and id<>'2381743' order by id asc limit 5