题目内容
灭火器的有效性检查可分为()
2021-09-20
A.外观检查
B.压力表检查
C.有效期检查
D.配置安装检查
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='23771' and id < 2067170 and id<>'2067170' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23771' and id > 2067170 and id<>'2067170' order by id asc limit 5