kinetic friction coefficient

例句：

1. 1. Thecoefficient of friction affects the stability of a machine's moving parts.
   摩擦系数影响机器移动部件的稳定性。
2. 2. In this experiment, we measured the coefficient of friction between two objects.
   在这个实验中，我们测量了两个物体之间的摩擦系数。
3. 3. The coefficient of friction is an important factor in determining how well materials can slide over each other.
   摩擦系数是决定材料能否彼此滑动的重要因素。