friction coefficient短语¹⁴⁴⁹⁷²⁺² 基本例句 摩擦系数 If that's the case, then I know that the frictional force will be in this direction and it will have reached the maximum value with the static friction coefficient. 这样的话，我们知道,摩擦力将会向下,直到达到,最大静态摩擦为止。163 There, the kinetic friction coefficient remains constant independent of the speed. 这里，动力摩擦系数,独立于速度之外。163