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