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２００１年初，北京市水利局的有关专家对怀柔县２０００年建成的１９座组装式连拱闸进行了鉴定验收。鉴定结果认为，组装式连拱闸设计合理，施工方便，造价低廉，形成的水面在美化环境的同时，可大量回补地下水，社会及经济效益显著，这种新技术的应用在北京市范围内还属首次?
At the beginning of 2001, relevant experts from Beijing Water Conservancy Bureau conducted appraisal and acceptance on 19 assembly-type interlocking gates built in Huairou County in 2000. The results of the appraisal suggest that the design of the integrated double-arch arches is reasonable in design, convenient in construction and low in cost. The formed water surface can replenish groundwater in large quantities while having a great social and economic benefits. The application of this new technology is within the scope of Beijing Also the first time?