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The large-diameter shield machine for high-speed railway tunnel at Xiaoshan International Airport is delivered off the production line at Hangzhou Xiaoshan Base of China Railway Equipment in Hangzhou, Zhejiang province, China, June 30, 2024.
The large-diameter shield machine for high-speed railway tunnel at Xiaoshan International Airport is delivered off the production line at Hangzhou Xiaoshan Base of China Railway Equipment in Hangzhou, Zhejiang province, China, June 30, 2024.
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