单项选择题
A.CT B.常规X线摄影 C.MRI D.DSA E.胃肠造影
A.0.35T B.0.15T C.1.0T D.1.5T E.3.0T
A.2mm B.3mm C.4mm D.5mm E.8mm
A.5~8mm B.5~10mm C.11~12mm D.12~15mm E.15~18mm
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