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本文对罗茨泵转子的实际型线进行了新的设计，对其在直角坐标系第一象限内四段曲线的坐标方程式进行了新的推导，并列出了电算程序，给出了实例结果。
In this paper, a new design of the actual profile of the Roots pump rotor was carried out. The new coordinate equations of the four segments in the first quadrant of the Cartesian coordinate system were deduced. The computer program was also listed. The examples result.