solvent exhaustion

• 溶剂萃取

solvent exhaustion的用法和样例：

例句

1. Indole is extracted from methylnaphthalene oil through solvent extracting.
   用溶剂萃取法从甲基萘油中萃取吲哚。
2. Solvent extraction is accomplished by the addition of an immiscible solvent to the wastewater.
   溶剂萃取是向废水中投加不溶于水的溶剂。