短語詞組短語axial frictional pulling force 軸曏摩擦牽引力negative frictional resistance force 負(fù)摩阻力frictional recovery force 摩擦恢複力frictional ground force 地麪摩擦力frictional l force 摩擦力sliding frictional force 滑動摩擦力;滑動摩阻力Dynamic frictional force 動態(tài)摩擦力loss of frictional force 摩擦損失flank frictional force 齒麪摩擦力 返回 frictional force