A.擺好體位檢查機(jī)架角床轉(zhuǎn)角對(duì)照射野對(duì)源皮距 B.擺好體位對(duì)照射野對(duì)源皮距檢查機(jī)架角床轉(zhuǎn)角 C.擺好體位對(duì)源皮距對(duì)照射野檢查機(jī)架角床轉(zhuǎn)角 D.檢查機(jī)架角床轉(zhuǎn)角對(duì)照射野對(duì)源皮距擺好體位 E.擺好體位檢查機(jī)架角床轉(zhuǎn)角對(duì)源皮距對(duì)照射野
A.源皮距 B.源片距 C.源限距 D.鉛擋塊高度 E.體表需擋的寬度
A.8CM*15CM B.7CM*15CM C.6CM*15CM D.5CM*15CM E.8CM*10CM