The performance of leaf spring and fatigue life are the main factors that determine the design level of vehicle. These factors are important to improve the safety, comfortable character and usage life of the whole vehicle.
合理地确定钢板弹簧的性能、疲劳寿命等参数是整车设计水平的关键因素之一,这对提高汽车行驶的安全性、平顺性以及使用寿命都具有重要意义。
参考来源 - 渐变刚度钢板弹簧的模拟仿真·2,447,543篇论文数据，部分数据来源于NoteExpress
The extended usage life can't be longer than 3 years.
延长使用年限最长不超过3年。
This process extends the usage life of casting paper greatly and increases the economic benefit.
该工艺大大延长了离型纸的使用寿命，提高了经济效益。
For truck with trailer or special vehicle for mining operations, the standard usage life is 8 years.
带拖挂的载货汽车、矿山作业专用车使用8年。
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