id	keyword
fumecheng-4780	wear
fumecheng-4780	tire
fumecheng-4780	road
fumecheng-4780	rate
fumecheng-4780	vehicle
fumecheng-4780	particles
fumecheng-4780	force
fumecheng-4780	tire wear
fumecheng-4780	report
fumecheng-4780	passenger
fumecheng-4780	factors
fumecheng-4780	environment