名词
中文翻译：粗糙打磨
同义词：
['roughing', 'rough work']
例句：
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1. The car was given a rough lapping before the paint job.
汽车在涂装前进行了粗糙打磨。
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2. The engineers were asked to rough lapping the surface of the metal.
工程师被要求对金属表面进行粗糙打磨。
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3. Rough lapping is an important step in the manufacturing process.
粗糙打磨是制造过程中的一个重要步骤。