名词
中文翻译：粗加工
同义词：
['rough work', 'roughing operation例句：1. The roughing process is the first step in the manufacturing process.（粗加工是制造过程的第一步。）']
例句：
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1. The roughing process is the first step in the manufacturing process.
粗加工是制造过程的第一步。
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2. In roughing, the metal is heated and then quickly cooled to remove impurities.
在粗加工过程中，金属被加热然后迅速冷却以去除杂质。
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3. The roughing cutter is used to remove the outer layer of material before the final finishing cutter can be used.
粗加工刀具用于在最终的精加工刀具可以使用之前去除材料外层。