名词
中文翻译：旋转锉刀
同义词：
['rotary cutter', 'rotary tool']
例句：
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1.The technician used a rotary file to smooth the surface of the wood.
技术人员使用旋转锉来平滑木材的表面。
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2. The engineer designed a rotary file that could be easily adjusted for different tasks.
工程师设计了一种可轻易调整以适应不同任务的旋转锉。
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3.The student demonstrated how to use a rotary file to remove small burrs from metal parts.
学生演示了如何使用旋转锉去除金属部件上的小刺。