“二次风--二次空气”概念、定义、翻译-科学时代

单词	二次风--二次空气
释义	市政工程词汇手册 secondary air 二次空气，二次风
随便看	familism familism familism familism family family family family family family family family family family allowance family allowance family allowance family and medical leave Family and Medical Leave Act of 1993 Family and Medical Leave Act of 1993 (FMLA of 1993) family archives family automobile policy family background family beef family box family brand

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。

secondary air