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1.前言发展新系列车桥的一条重要理由是载重汽车发动机的功率一直在不断提高(图1)。需要增加发动机功率的原因主要是下列三点:交通安全
1. Introduction An important reason to develop a new series of axles is that the power of truck engines has been steadily increasing (Figure 1). The reasons for the need to increase the engine power are mainly the following three points: traffic safety