题目内容
防止高频电磁场对人体作用的正确措施是
2021-10-11
A.场源屏蔽，远距离操作，合理布局
B.场源屏蔽，远距离操作，合理通风
C.场源屏蔽，湿式作业，合理布局
D.个人防护，远距离操作，合理通风
E.场源屏蔽，合理布局，合理通风
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25420' and id < 2141124 and id<>'2141124' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25420' and id > 2141124 and id<>'2141124' order by id asc limit 5