【简答题】Since all roads are not perfectly smooth, and the transmission is fixed, the drive shaft has to be flexible to absorb the shocks of bumps in the road.
【简答题】Since all roads are not perfectly smooth, and the transmission is fixed, the drive shaft has to be flexible to absorb the shocks of bumps in the road.
【简答题】Since all roads are not perfectly smooth, and the transmission is fixed, the drive shaft has to be flexible to absorb the shocks of bumps in the road.
【简答题】Since all roads are not
perfectly smooth, and the transmission is fixed, the drive shaft has to be
flexible to absorb the shocks of bumps in the road. Universal, or “U-joints”
allow the drive shaft to...