名词
中文翻译：次品
同义词：
['substandard', 'inferior', 'defective例句：1. The underproof is not suitable for the intended use.（这个次品不适合预定的使用。）']
例句：
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1. The underproof is not suitable for the intended use.
这个次品不适合预定的使用。
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2. The manufacturer has to ensure that all products meet the required standards.
制造商必须确保所有产品符合规定的标准。
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3.The underproof was found to have a higher failure rate than the standard model.
发现次品的失败率比标准型号高。