This model can be used to predict wear of rotor bushing, to solve contact problem, and to analyze wear characteristics of the micro-rotor system.

该模型可用于预测微转子轴衬的磨损与接触状况，分析微转子系统的磨损特性。

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Single-screw pump is a new volume of the inner rotary gear pump. The main working parts are eccentric screw (rotor) and fixed bushing (stator).

单螺杆泵是一种新型的内啮合回转式容积泵。主要工作部件是偏心螺杆（转子）和固定的衬套（定子）。

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