名词
中文翻译：Unknown
同义词：
['carbon dioxide test', 'carbon monoxide test']
例句：
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1. The coke test results showed that the sample was not pure carbon.
这个碳化试验结果显示样本不是纯碳。
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2. The coke test is used to determine the purity of carbonaceous materials.
碳化试验用于确定碳质材料的纯度。
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3. During the coke test, the sample was heated and then cooled rapidly.
在碳化试验中，样品被加热然后迅速冷却。