The formula for calculating the average crack growth rate of 840d wheel web hole is presented.

给出了840d车轮辐板孔平均裂纹扩展速率的计算公式。

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The formula for calculating the average crack growth rate of 840d wheel web hole is presented.

给出了840d车轮辐板孔平均裂纹扩展速率的计算公式。

youdao