This article mainly studied the mountainous resources, especially the theory of the extraction from wildjujube. The wildjujubejuice was made by using the method of extraction.
本文主要对山野资源——酸枣的萃取技术理论进行研究，酸枣汁是用萃取法提取。
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With wildjujube as material, the raw juice was obtained by way of hot water extraction and filtering.