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本文介绍日本苗穗工厂开发的适用于30km/h速度的高速车辆用的特种铸铁闸瓦,这种闸瓦具有很高的摩擦系数和耐磨性,
This paper introduces a special cast iron brake shoe developed by Japan Miao Sui Plant for high-speed vehicles with a speed of 30km / h. The brake shoe has high friction coefficient and wear resistance,