“更新改进”的概念、定义、翻译、参考文献-科学参考

单词	更新改进
释义	更新改进 retrofit
随便看	back-planing back plastering backplate back plate back play back pollinating back poppet back porch back-porch effect back pouring back power back-pressing method back pressure backpressure back-pressure curve back pressure evaporator back pressure extraction turbine backpressure extraction turbine back-pressure manometer backpressure manometer backpressure operation backpressure regulation backpressure regulator back pressure regulator back-pressure-relief port

科学参考收录了1248194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。