the packed column gas chromatography
the packed column gas chromatography
填充柱气相色谱法
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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A method for determining the content of water, ethanol and propylene glycol in tobacco flavor by gas chromatography with a packed column was established.
建立了填充柱气相色谱法测定烟用香精中水、乙醇、丙二醇含量的方法。
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