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

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

Service/Xiao Yu)    The Huanggang Road Yellow River Tunnel in Jinan, east China's Shandong Province was fully completed on Tuesday, marking the dual breakthrough of the world's lar

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