- fixed nicotine
- 固定: fixed; regular
- 烟碱: nicotine
- 气相色谱法测定烟草中的烟碱含量: determination of nicotine in tobacco with gas chromatography
- 烟碱: [化学] nicotine; [有机化学] β-pyridyl-α-n-methylpyrrolidine; nicotin-; nicotino-
- 放定烟囱: blow-dow tack; blow-down stack
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