In this paper the author introduced the cause, type and appearance of weldline as well as morphological feature of fracture and evaluating method for properties of weldline.
文章介绍了熔接缝形成的原因、接缝类型、接缝外观和断口形态特征以及接缝性能评价方法。
A Pareto Chart is useful for non-numeric data, such as "cause", "type", or "classification".
对于类似根因、类型、分类等非数值型数据的分析来说柏拉图是非常有用的工具。
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