59 下列有關牙科金屬受到拉伸應力作用時,產生各種現象的發生順序為何?①降伏(yielding)
②斷裂(fracture) ③彈性變形(elastic deformation) ④裂縫形成(form a crack) ⑤頸縮
(necking)
(A)①③④⑤②
(B)③①④⑤②
(C)③①⑤④②
(D)③⑤①④②
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統計: A(38), B(32), C(229), D(34), E(0) #737452
統計: A(38), B(32), C(229), D(34), E(0) #737452