名词中文翻译
中文翻译：内部锯齿状结构
同义词：
['internal notch', 'internal groove例句：1. The internal serration of the blade is designed to reduce friction and improve cutting efficiency.（刀片的内部锯齿设计旨在减少摩擦并提高切割效率。）']
例句：
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1. The internal serration of the blade is designed to reduce friction and improve cutting efficiency.
刀片的内部锯齿设计旨在减少摩擦并提高切割效率。
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2.The engineer analyzed the internal serration of the gear to determine its strength and wear resistance.
工程师分析了齿轮的内部锯齿，以确定其强度和耐磨性。
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3. The internal serration of the screw was designed to prevent binding and ensure smooth rotation.
螺丝的内部锯齿设计用于防止卡住并确保平滑旋转。