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在节能型汽车研发过程中,追求完美需要大量细致的工作。一个关键的步骤是把汽车内部众多位置中产生的摩擦阻力减至最小。不论是在变速器、发动机还是底
In the research and development of energy-saving vehicles, the pursuit of perfection requires a lot of meticulous work. A key step is to minimize the frictional drag generated in many locations inside the car. Whether in the transmission, the engine is still at the end