考试
2021-02-26 11:35:56

(单选题)用吐温40(HLB值15.6)和司盘80(HLB值

题目描述

A43.4g56.6g

B9.9g9.9g

C50g50g

D20g80g

E60g40g

答案解析

[db:答案解析]

A

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