active component extraction

• 制取

active component extraction的用法和样例：

例句

1. The influence of porosity in oil bearing material on oil extraction is described.
   本文主要描述了物料的多孔性对油脂制取的影响。
2. Black tea extracts are normally produced by a hot or boiling water extraction process, usually a countercurrent process.
   红茶的提取物通常是用热水或沸水通过逆流萃取工艺来制取的。