potash soap 基本解释
钾皂
重点词汇
potash soap 双语例句
- 1、
Study on the Preparation of Disproportionated Rosin and Purification of Dehydroabietic Acid from Disproportionated Rosin; Enhances the disproportionation abietic acid potash soap process units sate operation the countermeasure
歧化松香的制备与脱氢枞酸的提纯研究提高歧化松香酸钾皂生产装置安全运行的对策

