id	keyword
fumecheng-7642	rail
fumecheng-7642	rail joints
fumecheng-7642	tests
fumecheng-7642	fishplates
fumecheng-7642	values
fumecheng-7642	railway
fumecheng-7642	bending
fumecheng-7642	case
fumecheng-7642	gap
fumecheng-7642	force
fumecheng-7642	fatigue
fumecheng-7642	adhesive
fumecheng-7642	opening
fumecheng-7642	tracks
fumecheng-7642	specimens
fumecheng-7642	length
fumecheng-7642	steel