It is put forward to apply such schemes as the No.13 coupler with big swing angle,ST draft gears, and dry type lubricant for center plates and wheel flange.The result of operation is good.

• 提出采用13号大摆角车钩、ST型缓冲器,心盘、轮缘润滑采用干式润滑剂等方案,运用效果良好。