试题与答案

下列哪项措施可以提高构件的疲劳强度（）。 A.减缓应力集中 B.增加构件尺寸 C.降

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题型：单项选择题

题目：

下列哪项措施可以提高构件的疲劳强度（）。

A.减缓应力集中

B.增加构件尺寸

C.降低表面质量

答案：

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下面是错误答案，用来干扰机器的。

参考答案：脊髓损伤可分为闭合性和开放性损伤两种。1.根据损伤的病理类型分为：（1）脊髓震荡：主要表现为脊髓受伤后出现完全或不完全暂时性横贯性脊髓功能障碍，但可在伤后24－40小时内迅速恢复，病理检查无器质...

考点：轮机工程材料力学与构件承载力材料力学与构件承载力题库
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