vehicle technical service life 车辆技术使用寿命
vehicle rational service life 车辆合理使用寿命
vehicle economic service life 车辆经济使用寿命
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。
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