安全带是强制安装的设备，但是增加的汽车购买者并没有对安全气囊或防抱死制动系统的需求，汽车制造商说道。

Seat belts are the only mandatory equipment, and the increase in car buying hasn't boosted demand for airbags or anti-lock brakes, automakers said.

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防抱死制动系统是汽车上的第一个能针对驾驶员命令背道而驰的系统。

ABS is the first system in the car that can do the opposite as the driver commands.

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介绍汽车防抱死制动系统ABS在客车上的应用背景，ABS部件及其主要技术数据，ABS的常见故障及其诊断方法。

This paper introduces the application background of ABS on buses, the ABS components and their main technical data, the common faults of ABS and the diagnostic ways.

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