名词
中文翻译：打毛机
同义词：
['knurler', 'knurling machine', 'knurling tool']
例句：
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1. The knurlizer was used to smooth the edges of metal parts.
打毛机用于金属部件的边缘平滑。
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2. The knurlizer is a useful tool for shaping and polishing metal objects.
打毛器是一种有用的工具，用于塑造和抛光金属物体。
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3. The knurlizer was used to create decorative patterns on metal surfaces.
打毛器被用来在金属表面上创造装饰图案。