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1982年,研究一种RD210X型新型缓冲器,以代替RD11型客车用标准型缓冲器,从而提高了舒适度。该缓冲器在山手线一个通勤电动车组上安装使用,以试验纵向冲击力。试验证明,该型缓冲器与
In 1982, a new type of RD210X shock absorber was developed to replace the standard shock absorber for the RD11 passenger car, thereby improving comfort. The buffer is mounted on a commuter electric train on Yamanote Line to test longitudinal impact. Test proved that the type of buffer and