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推导了疲劳许用应力范围计算公式和不同概率水平下疲劳应力的转换关系。
The permissible stress range formula and transfer factor of fatigue stress range were deduced.
youdao
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推导了疲劳许用应力范围计算公式和不同概率水平下疲劳应力的转换关系。
The permissible stress range formula and transfer factor of fatigue stress range were deduced.
youdao