动量阻力
... moment; twisting 扭转力矩 momentum drag 动量阻力 momentum equation 动量方程式 ...
拖曳力,得到了计算的势头赤字在墙上的边界层。
There is no movement of the record under the stylus very high momentum and speed and mass hits the stylus and it has no time to drag the corord itself.唱片在唱针之下并无任何移动非常高的动能和速度重击之下唱针没时间去拖动唱片…