37.鈀(palladium)元素添加到鑄造用金合金中會使何種性質數值降低?
(A)熔點(melting temperature)
(B)熱膨脹係數(thermal expansion coefficient)
(C)硬度和強度(hardness and strength)
(D)彈性模數(elastic modulus)
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統計: A(460), B(1077), C(85), D(111), E(0) #2408261
統計: A(460), B(1077), C(85), D(111), E(0) #2408261