Rail Track 1.Standard:GB 3426-1982, GB 2585-2007, GB 11264- ... , 12, 12.5QU80130130803263.69QU1001501501003888.96QU12017017012044118.10Rail track is the main component of railroad track.Rail track's function is to lead the locomotive ... pressure of the wheels, and transfer to the sleeper.Rail track's must provide wheels with continuous and smooth and the ...