外径为 D、内径为d的空心圆截面对形心轴的惯性矩为()。 A.A B.B C.C D.

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问题:

外径为D、内径为d的空心圆截面对形心轴的惯性矩为()。

A.A

B.B

C.C

D.D

考点:注册环保工程师环保工程(材料力学)环保工程(材料力学)题库
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