wheel tread

基本解释

Peeling is the main type of failure of wheel tread.
剥离是车轮踏面失效的主要类型。
And the effect of wheel tread peeling on peeling of bearings is expounded.
阐述了车轮踏面剥离对轴承剥离的影响。
A virtual file for smoothing digital profile of wheel tread of railway vehicles is created based on MATLAB and specific roughness calculation method.
应用Matlab平台开发了粗糙度算法和数字化锉刀软件，实现了对轨道车辆车轮踏面外形的数字化虚拟打磨。

The main power sources, though, are the fuel cells built directly into each wheel (wrapped in adaptable Active Tread tires, naturally), which drive independent hydraulic motors when fed hydrogen from a central holding tank.
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These have been specifically created for the Concept GLA: their tread pattern continues the lines of the spokes in an optical illusion that makes the wheel spokes appear longer.
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For comparison, two tire manufacturers might dispute whether their tread patterns infringe one another, but neither would claim to own the shape of the wheel.
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