Treadnoise levels were found to be appropriate for the category.
胎面噪音水平被认为是适当的分类。
2
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。
3
Compared of different contributions of the tread vibration and the web vibration on sound level of railway noise.