soap boiling upon spent lye

• 废碱煮皂

soap boiling upon spent lye的用法和样例：

例句

1. This paper introduces the digestion technology of mechanical activation in lieu of that of alkali boiling for manufacturing tungstic acid.
   本文介绍在复盐法生产钨酸中用机械活化浸取工艺代替碱煮浸取工艺的新方法。