题目内容
(请给出正确答案)
[单选题]
螺旋CT使用的X射线束是() The X-ray beam used in spiral CT is ()
A.薄扇形束 Thin fan beam
B.厚扇形束 Thick fan bundle
C.窄扇形束 Narrow fan beam
D.笔直射线束 Pencil beam
答案
厚扇形束 Thick fan bundle
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)
A.薄扇形束 Thin fan beam
B.厚扇形束 Thick fan bundle
C.窄扇形束 Narrow fan beam
D.笔直射线束 Pencil beam
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