你可以测试，制作一个精确地通过中心线的圆，然后用测试结果在右视图混合曲面。

You can test this by making the circle go exactly through the centerline and then examine the resulting blend surface in the right view.

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这热量帮助击穿电线绝缘较薄的地方﹐否则线材通过电极而没有被检测到﹐结果在以后的火花测试和高压绝缘试验将会失效。

This heating helps to break down weak spots inthedielectric that otherwise might pass through theelectrodeundetected, only to fail during a later spark orhipottest.

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