题目内容
金属性粉尘是
2021-10-11
A.石棉粉尘
B.水泥粉尘
C.氧化铅粉尘
D.合成树脂粉尘
E.有机燃料粉尘
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25420' and id < 2141159 and id<>'2141159' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25420' and id > 2141159 and id<>'2141159' order by id asc limit 5