名词
中文翻译：试验级线
同义词：
['trial quality line', 'trial quality specification line', 'trial quality standard line']
例句：
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1. The company has introduced a new trial quality line to improve product quality.
该公司已推出新的试验质量线，以提高产品质量。
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2. The engineer used the trial quality line to ensure that the machine worked correctly.
工程师使用试验质量线来确保机器正确运行。
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3.The trial quality line is crucial for ensuring consistency in production processes.
试验质量线对于保证生产过程一致性至关重要。