関連ワード:  what is the base of a vehicle called    what is the base of a car called    what is the bottom of a vehicle called    what is the bottom of a car called    what is the base frame of a car called    what is the base of a car seat called    what is the base model of a car called    what is the bottom cover of a car called    what is the bottom part of a car called    what is the bottom side of a car called