在乳腺癌半野切线源皮距照射定位时，一般向内切野方向转动机架角度为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29151' and id < 2371487 and id<>'2371487' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29151' and id > 2371487 and id<>'2371487' order by id asc limit 5