“rocket engine precooling”的概念、定义、翻译、参考文献-科学参考

单词	rocket engine precooling
释义	rocket engine precooling 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	social indicator social inequality social inference social influence social influence of museum Social Informatics Social information social information social information analysis social information communication Social information management engineering Social information management system Social Information Processing social information processing model social information processing theory Social information security protection Social information sharing mechanism social information systems Social Informatization social informatization social infrastructure Social inherit and supersede social insect social institution social insurance

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