“keep-alive circuit”概念、定义、翻译-科学时代

单词	keep-alive circuit
释义	机械工程词汇手册 keep-alive circuit 维弧电路，保活电路
随便看	coupling scheme coupling scheme coupling sleeve coupling strength coupling sugar coupling treatment coupling vibration coupling viscosity coupon coupon coupon coupon coupon coupon coupon coupon coupon coupon coupon advertising coupon bank debenture coupon bond coupon bond coupon book Coupon Election coupon payment

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。

keep-alive circuit