词The essential oil of fennel was obtained by the hydrodistillation, and the volatile flavor components were separated from fennel oil by HSCCC.
以小茴香为原料,采
水中直接蒸馏的方法提取小茴香精油。
The essential oil of fennel was obtained by the hydrodistillation, and the volatile flavor components were separated from fennel oil by HSCCC.
以小茴香为原料,采水中直接蒸馏的方法提取小茴香精油。
声明：以上例
、词
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