Some cars have variable-ratio steering, which uses a rack-and-pinion gear set that has a different tooth pitch (number of teeth per inch) in the center than it has on the outside.
有些车的转向系角传动比是可变的，这种转向器采用齿轮齿条式，它在中间而不是外部，有不同的齿密度（每寸齿数）。
In this paper, the meshing theory of rack and pinion steering gear with variable ratio is studied systematically.
对汽车变速比齿轮齿条式转向器的啮合原理进行了系统研究。
In this paper, the meshing theory of rack and pinion steering gear with variable ratio is studied systematically.
对汽车变速比齿轮齿条式转向器的啮合原理进行了系统研究。
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