挠曲疲劳

bending fatigue的用法和样例：

例句

The results indicated that the fracture mode is the fatigue failure.结果表明，其断裂形式为弯曲疲劳断裂。
This paper studied the fatigue properties of the plain concrete under constant amplitude flexural cyclic loading.在室内混凝土试件弯曲疲劳试验的基础上，研究了素混凝土受弯试件在等幅重复荷载作用下的弯曲疲劳性能。

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