Extremely low aromatic content, ensuring no harmful to skin and no smell.
芳香烃含量极低, 确保不损皮肤及无刺激性气味.
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用近红外光谱仪快速测定调和汽油中芳烃、烯烃的含量
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The aromatic hydrocarbons content in naphtha was analyzed by a chemical reaction method.
用化学分析方法测定了工业用石脑油中芳香烃的含量.
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