The relation of law of the fatigue crack extending and feature of macro-profile is discovered, which provides a new method for the life estimation of the brake disc.

发现裂纹剖面宏观形貌特征与制动盘疲劳裂纹扩展规律之间存在一定的关联，为制动盘寿命评估提供了新的思路。

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Adopted pedal brake system, operation ease, extending the life of belt and spindle.

脚踏式制动系统，操作更简单，同时延长龙带和锭子寿命。

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Moreover, the additional motor brake reduces the impact to the decelerator and makes the service life of the decelerator lengthen greatly.

针对原减速器出现的问题，加装了电动机制动装置，减少了对减速器的冲击，使减速器的使用寿命大大延长。

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In a roadside garage, asbestos brake linings are scrubbed clean to extend their life.

BBC: News Online