问题描述：
英语翻译
Use this specialized toolpath type to simplify the process of machining
a cylinder port,for example,when working with automotive head
porting applications.It eliminates fishtail (butterfly) motion,
preventing gouges that can occur when programming a tool radius
larger than the surface radii.
不要用软件翻译
Use this specialized toolpath type to simplify the process of machining
a cylinder port,for example,when working with automotive head
porting applications.It eliminates fishtail (butterfly) motion,
preventing gouges that can occur when programming a tool radius
larger than the surface radii.
不要用软件翻译
问题解答：
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