Results Water distillation method was good for the extraction of essential oil.
结果水蒸气蒸馏法更有利于白术挥发油的提取；
By the method of water vapor distillation and extraction of refined vegetable oil, the garlic essential oil was prepared.
采用水蒸气蒸馏方法提取大蒜精油，并用精炼植物油萃取收集。
By the method of water vapor distillation and extraction of refined vegetable oil, the garlic essential oil was prepared.
采用水蒸气蒸馏方法提取大蒜精油，并用精炼植物油萃取收集。
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