power brakes

英 美
  • 动力制动
  • brakes n.制动器;闸;刹车v.刹车
  • power n.力量;力;能力;权力;【数】幂;电力v.使有力量;给...提供动力adj.电力的;力量的;权力的
名词 power brake:
  1. a brake on an automobile that magnifies a small force applied to the brake pedal into a proportionately larger force applied to slow or stop the vehicle