After test, the surface of the braking disc is bright and clean, has no any damage and cracks that meets the travel requirements for high speed trains.

  • 试验结果,刹车盘盘面光洁,无任何损伤和裂纹,能满足200 ̄250km/h高速列车的运行要求。

  • 互联网摘选 2025-01-20 17:46:31

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