名词
中文翻译：内花键铣刀
同义词：
['involute gear tool', 'involute gear cutting tool']
例句：
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1. The machine used an involute gear cutter to make the gears.
这台机器使用了一个内花键铣刀来制造齿轮。
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2.The involute gear cutter was used to remove the old gears.
内花键铣刀被用来移除旧的齿轮。
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3.The involute gear cutter is a crucial tool for manufacturing gears.
内花键铣刀是制造齿轮的关键工具。