The brake booster USES vacuum from the engine to multiply the force that your foot applies to the master cylinder.
制动助力器采用真空泵把你的脚作用在主缸上的力放大。
2
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.
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。
3
Experimental result shows: 1 on the condition of multi-point explosive, capacity of annular booster explosive is higher than that of cylinder by about 57%.