introduction to CAD（CAD/CAM概论）——中英文对照 Machine design theory（机械设计理论）——中英文对照 Rapid Prototyping and manufacturing（快速成型和生产）——中英文对照 .
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This paper emphasizes the study of the design theory and parameter-choosing method of the machine.
着重研究了该机的设计理论及设计参数的选择计算方法。
This method provides important theory foundation for machine parts design and products evaluation, and and it has great reference value too.
此方法为机械零部件产品的设计和产品的评估提供了理论依据，具有重要的参考价值。
This paper focuses on the study of the design theory of twin screw pulping machine.
本文对双螺杆磨浆机的设计理论进行了研究。
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