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中铁十四局集团承建的南京长江隧道工程位于南京长江大桥与三桥之间，盾构隧道长3020米，设计为双向6车道、时速80公里。隧道采用的两台泥水平衡盾构机直径14．93米，是当今世界上最大的泥水平衡盾构机之一，工程总投资约33．18亿元。建成后将彻底改变目前南京市长江单一的桥梁
The Nanjing Yangtze River Tunnel project constructed by China Railway 14 Group is located between the Nanjing Yangtze River Bridge and Mihashi. The shield tunnel is 3020 meters in length and is designed to be a two-way 6-lane with a speed of 80 kilometers per hour. The two slurry-balanced shield machines used in the tunnel have a diameter of 14.93 meters and are one of the largest mud-water balance shield machines in the world with a total investment of about 3.318 billion yuan. Upon completion, it will completely change the single bridge in the Yangtze River in Nanjing City