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利用计算机辅助设计罗茨真空泵转子型线。通过解析计算可得到多种型线。也可不用任何解析计算，随意地设计出理论上可行的型线。我们获得一种系列型线，几乎能包括所有已知型线，具有理论和实际价值。
Using computer aided design Roots vacuum pump rotor profile. By analyzing the calculation can be a variety of lines. Can also be used without any analytical calculation, free to design theoretically feasible profiles. We have a series of profiles that cover almost all known profiles, both theoretically and practically.