“propellant train”概念、定义、翻译-科学时代

单词	propellant train
释义	军事词汇手册 propellant train 发射药引燃系列，发射药导火线
随便看	up-front buy up front control panel up-front fee up-front market up-front premium upglide motion upgoing electron upgrade upgrade upgrade upgrade upgrade upgrade upgrade upgrading upgrading auxiliary upgrading material upgrading tower upgun uphand welding upheaval upheaval uphill casting uphill diffusion uphill opening

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。