题目内容
放疗摆位中铅挡块厚度(全防护)为
2021-12-09
A.1个HVL
B.2个HVL
C.4个HVL
D.5个HVL
E.6个半HVL
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29147' and id < 2371270 and id<>'2371270' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29147' and id > 2371270 and id<>'2371270' order by id asc limit 5