34. 一材料的蒲松氏比( Poisson’s ratio ) 為 0.25、剪力彈性係數 (shear modulus of elasticity ) 為
48GPa,則其體積彈性係數(modulus of elasticity of volume )為多少GPa?
(A) 20
(B) 40
(C) 60
(D) 80
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統計: A(22), B(50), C(33), D(89), E(0) #808921
統計: A(22), B(50), C(33), D(89), E(0) #808921