适用于固定或流动式的滑叶型及螺旋型空气压缩机，特别适用于负荷的操作。

Applicable to fixed or mobile sliding vane type and screw air compressor, especially suitable for load operation.

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成功研制开发了SE系列汽车空调压缩机螺旋齿轮。

Se series spiral gear used for automotive air-conditioning compressor is successfully developed.

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以螺杆压缩机转子为例，介绍了未知螺旋面端截面轮廓及其啮合的共轭齿形求法，给出了实用计算公式。

Takes the screw type compressor rotor as an example, a calculating method of unknown section profile of spiral surface and its conjugate shape is introduced and practical formulas are given.

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