空转摩擦力的英文

• motoring friction

• 空转:    idling; racing; runfree; bla ...
• 摩擦力:    friction; frictional force
• 回转摩擦焊:    frictional spin welding
• 枢转摩擦:    spin friction
• 摩擦力:    dynamical friction; force friction; force of friction; force, frictional; friction force; frictional force; internal friction