preparation process amelioration

• 制备工艺改进

preparation process amelioration的用法和样例：

例句

1. Formulate process improvement and research implementation plan to enhance product quality continuously.
   制定工艺改进和工艺攻关实施计划，持续提高产品质量。
2. The recovery process for triethyl amine from crystallization mother liquor of glyphosate was presented in this paper.
   本文介绍了从草甘膦结晶母液中回收三乙胺的工艺改进。