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The principle of gel extraction machine and its structure are described.
介绍了凝胶萃取机的原理和结构；
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Objective To screen the best extraction method of Zihuang gel.
目的筛选紫黄凝胶的最佳提取工艺。
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Objective To screen the best extraction method of Zihuang gel.
目的筛选紫黄凝胶的最佳提取工艺。
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