牙膏中的柠檬酸锌是A.摩擦剂B.洁净剂C.润湿剂D.胶黏剂E.药物

作者: rantiku 人气: - 评论: 0

问题牙膏中的柠檬酸锌是 A.摩擦剂 B.洁净剂 C.润湿剂 D.胶黏剂 E.药物

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答案 E

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