The main bearing of the world's largest diameter shield tunneling machine has launched a full series of "Chinese Heart" domestically produced shield tunneling machines in Changsha
Original title: The main bearing of the world's largest diameter shield tunneling machine has launched a full series of "Chinese Heart" domestically produced shield tunneling machines in ChangshaOn October 12th, the main bearing of the 8.61 meter diameter shield tunneling machine independently developed by China Railway Construction Heavy Industry Changsha Second Industrial Park was taken offline...
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China's "heart" is the most important weapon of the country! The main bearing of the world's largest diameter shield tunneling machine is offline in Changsha
Replay suspend 00:07 / 01:20 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos On the morning of October 12th, the main bearing of the 8.61 meter diameter shield tunneling machine independently developed by Chinese enterprises was offline in Changsha...
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How awesome is the shield machine Jinghua
In the West Line Tunnel of the Beijing East Sixth Ring Road Reconstruction Project, a group of people stared intently at the entrance of a receiving well 24 meters underground. Out! "Suddenly, someone shouted excitedly...
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