id	keyword
fumecheng-13299	energy
fumecheng-13299	consumption
fumecheng-13299	energy consumption
fumecheng-13299	data
fumecheng-13299	route
fumecheng-13299	railway
fumecheng-13299	fig
fumecheng-13299	efficiency
fumecheng-13299	electric
fumecheng-13299	analysis
fumecheng-13299	section
fumecheng-13299	values
fumecheng-13299	transportation
fumecheng-13299	energy efficiency
fumecheng-13299	train
fumecheng-13299	distance
fumecheng-13299	traction
fumecheng-13299	points