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我国最难修的城市地铁有哪些?为什么?
凸峰的回答哪些城市的地铁最难修?我觉得上海一定算一个,因为.....在上海挖地铁等同于:豆腐里打洞这条中国「最难造」的地铁,即【上海轨道交通1号线】。从新中国成立之初(1953年)就启动了初步的规划和设计,但直至第一条地铁通车(试)运营,已经是1993年了。前后历时:40年。1953年,形成「上海地下铁道」的构想1956年,上海出台了《地下铁道初步规划(草案)》1958年,苏联专家断言上海属于含水量高的软土地层,修建地下隧道极易造成坍塌事故,「修到哪、塌到哪」,即「豆腐里打洞」1960年,上海成立隧道工程局,两名年轻人,刘建航、王振信被委以重任,在浦东塘桥地区的农田里,用直径4.2米的盾构挖掘了100米距离,实现「零的突破」、打破了外国专家「不可能」的...



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我国最难修的城市地铁有哪些?为什么?
凸峰的回答哪些城市的地铁最难修?我觉得上海一定算一个,因为.....在上海挖地铁等同于:豆腐里打洞这条中国「最难造」的地铁,即【上海轨道交通1号线】。从新中国成立之初(1953年)就启动了初步的规划和设计,但直至第一条地铁通车(试)运营,已经是1993年了。前后历时:40年。1953年,形成「上海地下铁道」的构想1956年,上海出台了《地下铁道初步规划(草案)》1958年,苏联专家断言上海属于含水量高的软土地层,修建地下隧道极易造成坍塌事故,「修到哪、塌到哪」,即「豆腐里打洞」1960年,上海成立隧道工程局,两名年轻人,刘建航、王振信被委以重任,在浦东塘桥地区的农田里,用直径4.2米的盾构挖掘了100米距离,实现「零的突破」、打破了外国专家「不可能」的...

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Earlier, crypto enthusiasts had created a self-described “meme app” dubbed “gm” app wherein users would greet each other with “gm” or “good morning” messages. However, in September 2021, the gm app was down after a hacker reportedly gained access to the user data. Judge Hui described Ng as inciting others to “commit a massacre” with three posts teaching people to make “toxic chlorine gas bombs,” target police stations, police quarters and the city’s metro stations. This offence was “rather serious,” the court said. Content is editable within two days of publishing The channel also called on people to turn out for illegal assemblies and listed the things that participants should bring along with them, showing prior planning was in the works for riots. The messages also incited people to hurl toxic gas bombs at police and MTR stations, he added. Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.”
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