凡士林、羊毛脂在橡胶膏剂中的作用为A.乳化剂B.增黏剂C.填充剂D.软化剂E.润滑剂

作者: rantiku 人气: - 评论: 0
问题 凡士林、羊毛脂在橡胶膏剂中的作用为
选项 A.乳化剂 B.增黏剂 C.填充剂 D.软化剂 E.润滑剂
答案 D
解析
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