The brake booster USES vacuum from the engine to multiply the force that your foot applies to the master cylinder.
3
本实用新型涉及的是汽车底盘制动系统部件结构的改进，特别是涉及到一种真空助力器带制动主缸储液罐。
The utility model relates to an improvement on the component structure of the chassis braking system of vehicle, in particular to a vacuum booster band brake master cylinder fluid reservoir.
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