42 下列何種金屬的彈性模數(modulus of elasticity)最小?
(A)不鏽鋼
(B)α-鈦
(C)鎳鈦
(D)β-鈦
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統計: A(55), B(37), C(312), D(53), E(0) #1526711
統計: A(55), B(37), C(312), D(53), E(0) #1526711