Our research work has provided a new method for the study of the conveying and mixing mechanisms of various new types of screw elements.

本文的工作为研究各种新型螺杆元件的输送和混合机理提供了一种新的方法。

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Basic theory and practical application of tip variant, diameter variant and depth variant screw elements configuration are discussed.

主要讨论啮合型同向双螺杆挤出机螺杆组合中变头变径变深组合理论及其应用实例。

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Corey Electrical Appliance factory is a set of design, production, research and development all kinds of electric heaters, screw elements, barrel, Mandrel specialized factory.

科瑞电器厂是集设计、生产、研发各类电加热器、螺纹元件、机筒、芯轴的专业厂家。

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