胸部摄影对滤线栅栅比的要求一般是A.6:1B.8:1C.10:1D.12:1E.16:1

胸部摄影对滤线栅栅比的要求一般是

A.6:1

B.8:1

C.10:1

D.12:1

E.16:1


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