The Rotor profile is the key for Roots pump.

罗茨泵转子型线是罗茨泵的关键。

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Establishing the foundation to improve the rotor shape parameter dramatically, realizing the Roots pump series design and production, sufficing the condition of the agile manufacturing technology.

为不断完善转子型线参数，实现罗茨泵系列化设计、生产，满足敏捷制造技术需要奠定基础。

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There are many kinds of rotor profiles for roots vacuum pump.

罗茨真空泵的转子型线有很多种。

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There are many kinds of rotor profiles for roots vacuum pump.

罗茨真空泵的转子型线有很多种。

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