短語詞組短語n - alkae 正構(gòu)烷烴distribution of n -alkane 正烷烴分布shorter train n -alkane 短鏈烷烴GC fingerprint of n -Alkane 正構(gòu)烷烴氣相色譜指紋法prary alcohol -n-alkane system 伯醇high molecular weight n -alkane 高相對(duì)分子質(zhì)量正烷烴 返回 n-alkane