49.電腦斷層的品質保證中,對空氣和水的電腦斷層值之合格範圍分別為下列何者?
(A)-997--1003,-3-+3
(B)-990--1010,-5-+5
(C)-995--1005,-5-+5
(D)-970--1005,-7-+7
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統計: A(13), B(11), C(82), D(780), E(0) #1060404
統計: A(13), B(11), C(82), D(780), E(0) #1060404