The rotating bending fatigue strength is the criterion of resistance to propagation of hot cracks.
旋转弯曲疲劳强度是抗裂纹扩展能力的判据。
The effect of RE on fatigue behaviours of structural steels was investigated with a rotating bending fatigue machine.
用旋转弯曲疲劳试验机试验了不同稀土含量对几种结构钢疲劳性能的作用。
Fatigue properties of three case hardening steels for heavy duty gears after carburization were investigated by means of rotating bending fatigue tests.
利用旋转弯曲疲劳试验方法研究了三种重载齿轮钢渗碳后的疲劳性能。
Experiments of contact fatigue under the action of combined stresses-Hertsian stress and rotating bending stress were carried out.
作者就赫兹应力和旋转弯曲应力联合作用下的接触疲劳进行实验研究。
Based on this theory rotating-bending fatigue-cutting machine was invented and applied in cutting industry.
将这一原理应用于断料行业，就发明了旋弯疲劳应力断料机。
Based on this theory rotating-bending fatigue-cutting machine was invented and applied in cutting industry.
将这一原理应用于断料行业，就发明了旋弯疲劳应力断料机。
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