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God pushes
China's mechanical engineering has achieved new achievements, which can bulldoze a mountain in 10 days and reach the first place in the world in thrust
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God pushes
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Open day
01-17
![China's mechanical engineering has achieved new achievements, which can bulldoze a mountain in 10 days and reach the first place in the world in thrust[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)