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港珠澳大桥就要通车了，它都用到了哪些顶尖科技？
source link: https://news.cnblogs.com/n/610254/
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本文转自网易新闻，作者：须臾千秋，清华大学土木工程博士。今天港珠澳大桥正式通车了。它连接了珠江口东岸的香港和珠江口西岸的珠海、澳门，将整个珠三角的经济融为一体。它全长55公里，是世界上最长的跨海大桥，没有之一。其著名的沉管隧道长达6.75公里，是全球最长的公路沉管隧道和全球唯一的深埋沉管
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