Normalizing
正火
Explanation (EN)
A heat treatment process where a metal is heated above its critical temperature and air cooled to refine grain structure and improve toughness.
Explanation (ZH)
将金属加热至临界温度以上后空冷的热处理工艺，用于细化晶粒和提高韧性。
About the IPA
The International Phonetic Alphabet is a standardized system of symbols used to represent the sounds of spoken language.
It helps linguists, language learners, and educators accurately describe pronunciation across languages.
Example: the word "hello" in British English is transcribed as /həˈləʊ/ in IPA.