carbon的英语例句
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In its untreated state the carbon fibre material is rather like cloth.
原始的碳纤维材料很像布料。
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The two principal combustion products are water vapor and carbon dioxide.
两种主要的燃烧产物是水蒸气和二氧化碳。
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In graphite sheets, carbon atoms bond together in rings.
石墨层中的碳原子相互连接形成碳环。
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