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）。
Each crate held a ten-inch round gear and steel pinion that form an essential part of the Tundra rear axles.
每个箱子都装上了10英寸大的圆形零件，这些零件对于丰田汽车的后轴来说必不可少。
Because the SL56 occupies only 0.75 inch of the motor shaft length, a brake, pulley, gear box, or coupling can also be placed on the shaft.
由于SL56仅占0.75电机轴的长度，一刹车，滑轮，齿轮箱，或耦合英寸的也可以放在轴上。
Because the SL56 occupies only 0.75 inch of the motor shaft length, a brake, pulley, gear box, or coupling can also be placed on the shaft.
由于SL56仅占0.75电机轴的长度，一刹车，滑轮，齿轮箱，或耦合英寸的也可以放在轴上。
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