Controlcharts of Zero-Nonconformity Production based on normal distribution are established in the paper, which makes up thedeficiency of the Shewhart control chart.
本文建立了基于正态分布的零不合格品质量控制图，弥补了传统休哈特质量控制图的不足。
Quality control on nonconformity parts, supplier quality improvement tracing.
不合格品进行控制，供应商质量改进及跟踪；
ResultThe main nonconformity elements were equipments, document control and records control, and most of them were the implementation items.
结果设备、文件控制和记录控制是不符合项的主要因素，实施性不符合项占绝大部分。
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