名词
中文翻译：旋转钻头
同义词：
['rotary drill bit', 'rotary cutting tool']
例句：
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1.The rotary core bit is used to drill holes in metals.
旋转钻头用于金属中钻孔。
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2. The rotary core bit has a sharp edge that can quickly cut through materials.
旋转钻头有一个锋利的边缘，可以迅速切割材料。
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3. The rotary core bit is essential for precision machining.
旋转钻头对于精密加工至关重要。