This paper introduces a new series of rotor form line of CAD system.
本文介绍一种计算机辅助设计的新的系列化罗茨泵转子型线。
This series of form line is not only practical but also helpful to systematically study the regularity of rotor form line.
这一系列型线不但具有实际应用价值，并且有助于系统地研究转子型线的规律性。
This series of form line is not only practical but also helpful to systematically study the regularity of rotor form line.
这一系列型线不但具有实际应用价值，并且有助于系统地研究转子型线的规律性。
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