在乳腺癌半野切线等中心定位时，转动机架使内外切野的两根铅丝和射野重叠，一般切肺为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29515' and id < 2400790 and id<>'2400790' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29515' and id > 2400790 and id<>'2400790' order by id asc limit 5