Other : 7142f1b5230d3b0b78667df84aef7549e889e855baa60e368f2e369cb63485c39cd72c9ae2259d6341aa610584b432a6f5d6580671a4b01a33bc987f93f3bb604212caac47cdc52958e9bbec70d949ce8fa6847b88e66e08bc5fea5bab80d3c2d89f153a5686dc76e4f7a57a140e66cfc6d4a567a12fd25855620e03d61b0a8e
Application of Polyurethane Polymer and Assistant Rails to Settling the Abnormal Vehicle-Track Dynamic Effects in Transition Zone between Ballastless and Ballasted Track