China breaks foreign monopoly to lead global tunnel boring machine technology
...be.com/watch?v=28G9AMhHFoQ China's rapid development in the field of tunnel boring machines (TBMs) has s...United States and independent research. In 17 years, China successfu...ly developed its first shield tunneling machine, the "Tieyi No....How China broke foreign monopoly to lead global tunnel boring machine technology
...=28G9AMhHFoQ In beginning, China only imported Tunnel Boring Machine. China has big construction potentia...stupid. China improved research and design. Our country created own Tunnel Boring Machine brands which h...e of foreign efforts to block China's progress in TBM manufactur...
cover tunnel photo by: Matt Brown from London, England / CC BY
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