名词
中文翻译：不合格的加工
同义词：
['defective machining', 'substandard machining']
例句：
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1. The engineers were tasked withimproving the quality of faulty machining.
工程师们被指派来提高不合格加工的质量。
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2. The company's reputationsuffered due to poor faulty machining practices.
由于不良的加工实践，公司的声誉受到了损害。
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3. The new machine toolis designed to eliminate faulty machining errors.
新机器工具设计用来消除不合格加工错误。