英语词汇“preactivating”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	preactivating
释义	> as lemmas preˈactivating preˈactivating n. ΚΠ 1953 Amer. Jrnl. Bot. 40 401/2 Chemical activation was usually performed..by ‘pre-activating’ by shaking with furfural for 30 min. 2003 Carbon 41 2217 The catalyst, prepared by pre-activating in an autoclave, oxidizing with HNO₃, loading with CuSO₄ and finally calcining at 700 °C. extracted from preactivatev. < as lemmas
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

> as lemmas