以下为句子列表：
英文: Multi-flexible body dynamics is introduced into crankshaft computing, and diesel engine crankshaft dynamics simulation model is established combined with finite element method and modal superposition method.
中文: 摘要将多柔体动力学方法引入到曲轴计算中，并结合有限元法和模态叠加法建立柴油机曲轴动力学仿真模型。
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英文: The frame characteristics of R175 mini diesel engine crankshaft and process design program of the production line are introduced.
中文: 摘要介绍了R175小型柴油机曲轴的结构特点及生产线的工艺设计流程。
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