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中国内地首条海底隧道11月5日在厦门全线贯通我国大陆第一条海底隧道厦门翔安海底隧道历时4年多的建设,今日全线贯通。该隧道全长8.695千米,隧道最深在海平面下约70米,由我国完全自主
The first cross-harbor tunnel in mainland China runs through the first cross-harbor tunnel in Xiamen on November 5 in Xiamen for a period of more than four years. The construction of the Xiamen-Hong Kong Cross-Harbor Tunnel lasts for 4 years. The tunnel length of 8.695 km, the deepest tunnel about 70 meters under the sea level, by our country completely autonomous