Using a ball end mill to form part of the combustion chamber.
用球头铣刀的组成部分燃烧室.
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The geometric models of both solid ball end mill and indexable ball - end mill are constructed.
建立了整体式螺旋刃球头立铣刀和可转位式球头立铣刀的几何刃线模型.
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The cylindrical end mill with ball - nose is one kind of highly efficient cutting tool.
圆柱形球头立铣刀是一种高效刀具.
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