PC-35 style Pump Connectors also come in eccentric and concentric taper types. Connectors must be protected from axial piping movement by using pipe anchors or control units as required.

有偏心和同心式不同设计，连接器必须防止轴向管道移动，如需要可用管锚或控制元件。

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This paper introduces three kinds of CNC turning method combined with practical example, concentric circle turning, center shifting turning and taper profile composition turning.

文章结合编程实例介绍了球弧数控车削三种常用的工艺方法，即车圆法、移圆法、车锥法。

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