短語(yǔ)詞組短語(yǔ)axial frictional pulling force 軸向摩擦牽引力negative frictional resistance force 負(fù)摩阻力frictional recovery force 摩擦恢復(fù)力frictional ground force 地面摩擦力frictional l force 摩擦力sliding frictional force 滑動(dòng)摩擦力;滑動(dòng)摩阻力Dynamic frictional force 動(dòng)態(tài)摩擦力loss of frictional force 摩擦損失flank frictional force 齒面摩擦力 返回 frictional force