介绍一种用于轨道巡检作业车辆的结构特征，并详细介绍其采用的导向系统，这是保证车辆在轨道上安全行驶的重要部件。
The structure of a track inspection vehicle was introduced, and the guide system was highlighted, which was important for safety of the vehicle driving on track.
为了保证矿山电机车的安全行驶，设计了用于监测和显示矿山架线电机车的智能超速报警记录仪。
In order to undertake mineral mountain motor's safe drive, we have designed an intelligent speed alarm record instrument to keep a lookout over speed motor in the mineral mountain.
汽车轮胎直接关系着行驶安全和使用成本熏合理使用轮胎和正常的维护，对于延长轮胎的使用寿命，保证安全行车，降底运输成本具有重要意义。
The tire is directly on driving safety and using cost. The tire is made rational use and be regular maintenance that would extend it's life, ensure the driving safety, reduce the traffic cost.
良好的制动性能不仅能够保证对汽车速度的控制，更是对汽车安全行驶的重要保障。
High quality of brake is not only the guarantee to keep control of velocity, but also important to the safe driving.
良好的制动性能不仅能够保证对汽车速度的控制，更是对汽车安全行驶的重要保障。
High quality of brake is not only the guarantee to keep control of velocity, but also important to the safe driving.
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