It can be seen that engine maintenance plays an important role in prolonging the service life of the vehicle.
可见发动机维护对延长车辆运用寿命能起到至关主要的效果。
By analyzing capability and characteristic of tyres, this paper introduce some methods of reasonable selection and usage of tyres of mining vehicle equipment, so that improve its service life.
通过分析轮胎的性能特点，介绍了矿山无轨设备轮胎的合理选择方法，从而达到提高轮胎使用寿命的目的。
The product has a long service life and stable working performance. Its use value is especially high in terms of improving running performance and reducing use cost of electric vehicle.
本产品使用寿命长，工作非常稳定，特别是在提高电动车运行性能，降低电动车使用成本方面有很高的应用价值。
The operation of coupling the vehicle without expensive electronic equipment, do not need to interfere with the driver and specially designed vehicles have the entire service life without maintenance.
该联轴节的运转无需昂贵的车载电子设备，也不需要驾驶者干预，并且经过专门设计，在车辆的整个使用寿命中都无需维护。
The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-N curve.
在给走路面、车速、结构参数后，可计算出扭杆的随机应力，并根据P - S - N曲线估计出扭杆的寿命。
The utility model solves the problems that when the speed of the vehicle is increased, the power cord can strike fire and the components have short service life and large quantity of repair.
本实用新型解决了机车车速提高时电源线会打火，以及组件寿命较短、维修量较大等问题。
The utility model solves the problems that when the speed of the vehicle is increased, the power cord can strike fire and the components have short service life and large quantity of repair.
本实用新型解决了机车车速提高时电源线会打火，以及组件寿命较短、维修量较大等问题。
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