前言：目的：改进硫磺乳膏和硫软膏含量测定的方法。

Objective: To improve the method of determining the contents of sulphur emulsifiable paste and sulphur paste.

youdao

前言：目的：改进硫磺乳膏和硫软膏含量测定的方法。

Objective: To improve the method of determining the contents of sulphur emulsifiable paste and sulphur paste.

youdao