yusheng
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Recently from Wuhan engineer a 17000 ton viaduct rotated 106 degrees to successfully complet the docking, while the high speeding trains passing under the operation.
The docking spent only 90 minutes, the central axis up to 15 meters, which is China's first aerial rotation construction.
The docking spent only 90 minutes, the central axis up to 15 meters, which is China's first aerial rotation construction.
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