介绍影响混凝土施工质量的因素，以及混凝土质量控制程序。
In this paper, the factors having influences upon concrete construction quality and procedures of concrete quality control are described.
通过分析可知，最优定制程度的确定受顾客对定制产品的额外需求以及个性化成本两方面因素的影响。
Through the analysis, the most optimal customized level is influenced by superfluity demand of customized products and cost of customization.
它揭示了引起制程变异的因素，但不能确定是否允收一个有可能不良的批次。
Use Xbar and R charts to discover the factors that contribute to process variability. Shewhart charts cannot ensure against accepting poor or recallable lots.
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