名词
中文翻译：花键铣刀
同义词：
['spline tool', 'spline cutting tool']
例句：
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1.The spline milling cutter is used to shape the surface of a workpiece.
花键铣刀用于加工工件的表面。
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2.The engineer designed the spline milling cutter to fit perfectly into the machine.
工程师设计了花键铣刀，使其完美地安装在机器中。
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3. The spline milling cutter was used to create precise alignment in the assembly process.
花键铣刀被用来在装配过程中创建精确的对齐。