题目内容

关于大平板、长圆柱和圆球中一维非稳态导热问题的求解问题,下列说法,错误的是()。

A. 当Bi数较大时,可以用分析解公式进行计算
B. 当0.01 C. 当0.01 D. 当Bi数较大时,必须用诺谟图进行计算

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