At present, the best way is to add in pure water surface active agents, such as by adding ethanol. propylalcohol and other tocaer aicohol, tocaer to the carboxylic acid, etc.

 
  • 长远最坏的方法是在纯火洋参加暗地活性剂,如参加乙醇.;异丙醇以及其他一些初级醇类,初级羧酸等。
今日热词
目录 附录 查词历史