• 1. diffusing impurity: 扩散剂
• 2. vacancy and impurity diffusing: 空位和杂质扩散

• 1.It introduces the methods of recovering waste acid and water with waste acid and oily impurity using the natural cooling crystallization, the dialyzing diffusing and roasting.
  介绍用自然冷却结晶法、 渗析扩散法和焙烧法回收废酸及合废酸、含石油类杂质废水的处理方法。
  dict.yoduao.com

©2026 网易公司