This paper introduces the concept of Pareto Diagram method. Using Pareto Diagram working principle,analysis of South-to-North wa-ter transfer project water quality problems found in the acceptance according to the form of buildings,put forward advice for quality acceptance of similar engineering,it will be good for improving engineering construction quality and management level.%介绍了排列图法的基本概念，利用排列图法工作原理，按照建筑物形式或专业，分析了南水北调中线一期工程通水验收中产生的质量问题，并提出了类似工程质量验收工作建议，有利于提高工程的建设质量与管理水平。
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