Designing reasonable tread pattern is one of the effective methods to decrease tire noise and mostly artifice of insuring cars and vehicles safety and operation performance.
设计合理的胎面花纹是使轮胎噪音下降的有效方法之一，是确保行车安全和性能主要手段。
The measuring of geometrical profile and tread defects of wheel set is an important step for the safety of vehicle running.
车辆轮对尺寸参数和踏面缺陷的检测是保障车辆运行安全的重要措施。
Wheelset is an important running part of the railway vehicle, and the damage of the wheelset tread will cause many problems and impact the safety of train transportation badly.
轮对是铁路车辆重要的走行部件，轮对踏面的损伤会对列车运行产生许多不良影响。
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