... 接触式密封 contact seal 阶梯轴 multi-diameter shaft 结构 structure ...
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multi-diameter shaft parameterizing 阶梯轴参数化
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The initial simulation indicated that the shrinkage defects formed at the boss sections and the section near the connection of multi-diameter shaft.
初次模拟显示，在阶梯轴的凸台处与其临近连接的阶梯轴段会产生缩孔、缩松缺陷。
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