8 下列何者會導致有最長灰階對比?
(A)100 mA, 0.25 sec, 65 kVp
(B)200 mA, 0.5 sec, 85 kVp
(C)300 mA, 0.3 sec, 75 kVp
(D)400 mA, 0.2 sec, 70 kVp
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統計: A(30), B(70), C(8), D(12), E(0) #2176578
統計: A(30), B(70), C(8), D(12), E(0) #2176578