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如果按设计寿命100年计算,刚刚度过40岁生日的南京长江大桥正值壮年。南京长江大桥的建成,结束了火车轮渡长江的历史,保障了我国铁路大动脉——京沪线的安全畅通。
If calculated according to the design life of 100 years, just passed the 40th birthday of Nanjing Yangtze River Bridge is a prime minister. The completion of the Nanjing Yangtze River Bridge has ended the history of the ferry Yangtze River and ensured the safe and smooth operation of China’s railway artery, the Beijing-Shanghai line.