试题与答案

常用的绝热层材料有()。 A.聚氨酯 B.岩棉 C.毛毡 D.玻璃丝布

题型:多项选择题

题目:

常用的绝热层材料有()。

A.聚氨酯

B.岩棉

C.毛毡

D.玻璃丝布

答案:

参考答案:A, B, C

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题型:填空题

用括号内所给动词的适当形式完成下面短文。

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