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2023年中药学专业知识一之中药药材鉴定第85讲：杜仲
杜仲呈板片状，内表面暗紫色，质脆，易折断，断面有细密银白色，富弹性橡胶丝相连。@头条问答 @头条号 @中视频伙伴计划官号
中药学-中药材常识合集83/214
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