首页/ 题库 / [单选题]由三层材料组成的复合大平壁,三层材料的导的答案

由三层材料组成的复合大平壁,三层材料的导热系数为常数,并依次由小到大,在稳态情况下通过各层材料的热流密度()

单选题
2021-09-01 22:34
A、相等
B、由大到小
C、由小到大
D、不确定
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正确答案
A

试题解析

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