儿茶膏的性状特征是A.呈方块状,每边长约2cm,各边均凹缩,棱角多偏斜或破碎B.质硬,易碎C.表面黑褐色或棕黑色,平滑而稍具光泽D.断面不整齐...

作者: rantiku 人气: - 评论: 0
问题 儿茶膏的性状特征是
选项 A.呈方块状,每边长约2cm,各边均凹缩,棱角多偏斜或破碎 B.质硬,易碎 C.表面黑褐色或棕黑色,平滑而稍具光泽 D.断面不整齐,具光泽,有细孔,遇潮有黏性 E.无臭,味涩,苦,略回甜 X型题
答案 BCDE
解析

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