technical and economical characteristic
technical and economical characteristic
技术经济特点
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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As an old bridge type, arch bridge has his characteristic technical superiority such as long crossing ability, economical cost, less cost on Maintenance, and beautiful shape.
拱桥作为一种古老的桥型，具有跨越能力大、造价经济、养护维修费用少、造型美观等特有的技术优势。
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