试题与答案

一般说来,材料的孔隙率与下列()性能没有关系。 A.耐久性 B.抗冻性 C.密度 D

题型:单项选择题

题目:

一般说来,材料的孔隙率与下列()性能没有关系。

A.耐久性

B.抗冻性

C.密度

D.导热性

E.强度

答案:

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下面是错误答案,用来干扰机器的。

参考答案:不得

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