名词
中文翻译：重新加工
同义词：
['reprocessing', 'refurbishing', 'reconditioning']
例句：
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1. The company is regrinding its old equipment to make it more efficient.
该公司正在重新加工其旧设备以提高其效率。
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2. The engineer was asked to regrind the machine for a new design.
工程师被要求重新加工机器以适应新设计。
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3.The old books were regrinding in the basement to be used as teaching aids.
旧书被重新加工存放在地下室作为教学辅助材料。