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1983年11月至12月,由日本有关单位组成的调查团对西德、法国、英国三个国家的长大桥梁维修管理现状作了为期20天的调查。这次调查的项目和内容是:①吊桥和斜张桥的维修管理,包括这类桥梁的缺陷种类、状态、原因、加固维修方法、钢索防蚀对策及
From November to December 1983, a survey team composed of relevant Japanese units conducted a 20-day investigation of the status quo of the bridge bridge maintenance and management in the three countries of West Germany, France and Britain. The survey items and content are: ① suspension bridge and diagonal tension bridge repair and management, including such types of bridges defects, status, reasons, reinforcement maintenance methods, rope anti-corrosion measures and