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中国出口海外首台超大直径盾构机贯通首条隧道
source link: https://tech.sina.com.cn/d/i/2020-08-03/doc-iivhvpwx8891612.shtml
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来源：科技日报当地时间8月2日凌晨3时，我国自主研制出口海外的首台超大直径泥水平衡盾构机，打通了孟加拉国历史上第一条水下隧道——卡纳普里河河底左线隧道。孟加拉大桥局总工程师艾哈迈德曾表示：“修建隧道一直是孟加拉国人民的梦想，我们希望把吉大港
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