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Lithium iron phosphate power battery pack new energy railcar
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Rail car anti-collision off-network proximity alarm system and method based on Zigbee
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A kind of low-floor rail flat car and bogie and welding method
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A kind of driving wheel of engineering working vehicle is to device
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One kind is laid a railway track with roller draw off gear and tractor and track laying method
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Transverse moving method of engineering operation vehicle
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Mechanical tong connection structure
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A kind of engineering working vehicle of energy transverse shifting
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Mechanical clamping hand for rolling and unrolling roller during rail paving
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Rail dragging and lifting method used in rail paving
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A kind of freight turning rack and flat car for transportation and heavy T beam transportation flatcar design method
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Power transmission method for arranging and power transmission structure and without fuel green power locomotive
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A kind of the drop lock monitoring method and monitoring system of container F-TR locks
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