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简述 SPC 控制图的理论,说明宝铜炼钢成分检验光谱仪如何建立控制图,保证分析质量。同时提出如何利用从控制图得到的数据,为质量控制所用。
Briefly describe the theory of SPC control chart, and explain how to establish the control chart of copper bronze steelmaking test spectrometer to ensure the quality of analysis. At the same time how to use the data obtained from the control chart, used for quality control.