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在调查的基础上全面总结了我国大型灌区工程老化损坏的状况，在研究的基础上对工程损坏程度进行评价分级，分析了工程损坏的原因，并对灌区工程状况的改善、更新改造提出了建议。
Based on the investigation, this paper comprehensively summarizes the aging damage of large-scale irrigation districts in our country, evaluates and evaluates the damage degree of the project on the basis of the research, analyzes the reason of the damage, and puts forward the suggestion on the improvement of the project status and renovation .