化学
螯合
Molecular formula of PESA is a non-nitrogen non-phosphate chelating structure, and breakthrough progress is made in performance of inhibiting scale and biodegradability.
PESA分子式是一种无磷、非氮的螯合结构,在阻垢性能和生物降解性方面都取得了突破进展。
环境科学技术
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。