“渗氮”概念、定义、翻译-科学时代

单词	渗氮
释义	航空航天词汇手册 nitrogen case hardening 渗氮
随便看	admission temporaire (ATA) admission ticket admission ticket admission to school admission tutor admit card admittance admittance admittance admittance admittance admittance admittance admittance admittance matching admittance wave admitted assets admitted assets admitted assets admitted insurer admitting pipe admitting the best admix admix admixer

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

nitrogen case hardening