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A smooth rail surface can greatly reduce the rolling resistance of the train. Studies have shown that after good grinding, the traction energy consumption of the train can be reduced by a considerable proportion. For busy trunk lines with hundreds or... moreA smooth rail surface can greatly reduce the rolling resistance of the train. Studies have shown that after good grinding, the traction energy consumption of the train can be reduced by a considerable proportion. For busy trunk lines with hundreds or thousands of trains operating daily, the cumulative energy-saving effect over the long term will be a huge asset, and it also responds to the requirements of green and low-carbon transportation.
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