Because of its simple structure, good braking performance and good serviceability, duo-servodrum brakes are widely used as light vehicle central parking brake systems.
自动增力鼓式制动器因其结构简单、制动性能优良、维修方便，被广泛应用于轻型汽车的中央驻车制动系统。
2
One is the composing, function and principle of rotate speed and phase servo system of magnetic drum;