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解惑“生物老师拿自己做繁殖实验”-环球时报

“长江上游生物老师拿自己做繁殖实验轨道第一隧”全段贯通

来源: 快科技
2024-11-26 09:53:39

最佳回答

“生物老师拿自己做繁殖实验”“长江上游生物老师拿自己做繁殖实验轨道第一隧”全段贯通

  11月2生物老师拿自己做繁殖实验5日,有“长江上游轨道第一生物老师拿自己做繁殖实验隧”之称的重庆轨道交通27号线穿江隧道实现全段贯通,该隧道连接重庆市渝中区、南岸区,所跨长江两岸高楼林立,岸滩高差大,河滩狭窄,施工难度大。

  据承建单位中铁一局介绍,穿江隧道建设过程中,需攻克超深竖井安全始发、江底深槽破碎带、高水压密封掘进等技术难题。相关施工的完成,填补了长江上游穿江隧道在该领域的空白,为中国乃至世界类似工程建设提供宝贵经验。

  (张旭视频制作 岳子岩 视频来源 中铁一局)

 

 

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