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方法：采用95%乙醇提取有效成分，聚乙烯醇为成膜材料，制备雷公藤涂膜，制定质量标准。
Methods: Using 95 percent alcohol to extract effective constituent, PVA-1750 as film material, to prepare Tripterygium Wilfordii membrane and enactment the level of quality.
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