11.通常在彩色印刷時,哪一個色版的網屏角度擺於 45°?
(A)黃
(B)青
(C)黑
(D)洋紅
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統計: A(21), B(12), C(301), D(13), E(0) #1906525
統計: A(21), B(12), C(301), D(13), E(0) #1906525