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中国技术出口管制升级：利用工业优势构建经济武器库 China’s Message to Its Rivals: You Need What We Make 纽约时报 They are among the biggest machines in the world: steel cylinders, some as long as a football field, armed with rotating discs that can chew through rock to clear the way for roads and railways. Known as tunnel boring machines, they are made by only a handful of companies, mostly in factories in China. 它们是世界上最大的机器之一：有些长度堪比一座足球场，钢制筒形机身配备了旋转刀盘，能够切削岩石，为公路和铁路开辟通道。这种机器被称为盾构机，全球只有少数几家企业能够制造，且大多在中国的工厂生产。 India uses them to dig tunnels, including in the Himalayas, to improve its ability to send troops to defend its contested border with China. But starting next month, Beijing is likely to be able to control whether India gets to buy them. 印度用它们来挖掘隧道，包括在喜马拉雅山地区，以提升向与中国存在争议的边境投送兵力、进行防卫的能力。但从下个月起，北京可能有权决定印度能否购买这些设备。美国，输；中国，WIN；

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