“发动机预冷”的概念、定义、翻译、参考文献-科学参考

单词	发动机预冷
释义	发动机预冷 Encyclopedia 工学〔设计与技术〕释 rocket engine precooling发动机预冷发动机起动前对发动机低温系统进行提前冷却，并达到冷却温度或时间要求，确保发动机正常起动的技术。
随便看	personal direct payment for health services personal dose equivalent personal dose limit personal dose limit; individual dose limit personal dose monitoring instruments personal dosimeter personal equation personal error personal exposure personal file personal freedom personal genomics personal hygiene in sexual life personal identification personal identification number personal information personal information management personal information management, PIM personal information protection Personal Information Protection and Electronic Documents Act personalism personalism probabilistic logic personalist ethics personalistic theology personality

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。