reduced coefficient of ferrite

例句：

1. 1. The reduction inthe coefficient of friction is due to the increased temperature.
   摩擦系数的减少是由于温度的增加。
2. 2.The engineer used a formula to calculate the reduced coefficient of friction.
   工程师使用一个公式来计算降低后的摩擦系数。
3. 3. The reduced coefficient of friction can be used to optimize the design of the machine.
   降低后的摩擦系数可以用来优化机器的设计。