How is 32-m-long high-speed rail box girder installed
Fully mechanized: watch how a 32-meter-long box girder is installed on a high-speed railway bridge under construction in China's Chongqing. #China #Rail #Smart #Engineering #highspeedrail
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Fully mechanized: watch how a 32-meter-long box girder is installed on a high-speed railway bridge under construction in China's Chongqing. #China #Rail #Smart #Engineering #highspeedrail