65 金屬與陶瓷交接處(interface)的陶瓷厚度至少要多少 mm,且其交角呈圓滑 90 度?
(A)0.5 mm
(B)0.8 mm
(C)1.0 mm
(D)1.2 mm
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統計: A(114), B(17), C(75), D(62), E(0) #900888
統計: A(114), B(17), C(75), D(62), E(0) #900888