简要介绍了材料热膨胀系数的定义及分类，并对经常使用的零件热变形的计算方法及计算产生的误差进行了分析。
The definition and classification of material's thermal expansion coefficient are introduced briefly. The thermal deformation calculation method and error of parts often used in practice are analyzed.
简要介绍了材料热膨胀系数的定义及分类，并对经常使用的零件热变形的计算方法及计算产生的误差进行了分析。
The definition and classification of material's thermal expansion coefficient are introduced briefly. The thermal deformation calculation method and error of parts often used in practice are analyzed.
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