名词
中文翻译：密封样品
同义词：
['closed sample', 'sealed test sample', 'sealed test specimen']
例句：
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1. The sealed sample was analyzed for quality control purposes.
为了质量控制目的，对密封样品进行了分析。
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2. The sealed sample was carefully examined to determine its composition.
仔细检查密封样品以确定其成分。
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3.The sealed sample was sent to the laboratory for further testing.
密封样品被送往实验室进行进一步测试。