Fault tree analysis and cause-effect diagram as reference, the root cause analysis method on the customer complaint is designed.
参考借鉴了故障树分析和因果图，对顾客投诉根本原因分析方法提出了整体设计。
The result shows that the retrospective analysis method is very useful for root cause analysis in industrial systems.
结果表明，追溯分析方法在工业系统人因事故的根原因分析中是实用而有效的方法。
The analysis on frequent trouble in thickener using quality control method shows that the overload is the root cause for the thickener trouble, then countermeasures are proposed.
运用质量控制的方法分析判断浓密机故障多的原因，指出过载是造成浓密机故障多的最主要原因，提出了解决问题的对策及措施。
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