进击的巨人

World's largest-diameter underwater shield tunnel achieves dual breakthrough in China(1/3)_蜘蛛资讯网

nderwater shield tunnel.        The Tunnel stretches 5.75 kilometers, with about 3.3 kilometers constructed using the shield tunneling method. The project deplo

largest-diameter underwater shield tunnel.        The Tunnel stretches 5.75 kilometers, with about 3.3 kilometers constructed using the shield tunneling method.

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