“fire class”概念、定义、翻译-科学时代

单词	fire class
释义	市政工程词汇手册 fire class BB类火灾
随便看	chunk structure Chunnel chuno chunyu Chu opera chupatty chupon church church church church Church Army Church Army Church Commissioners church drama church father Church Fathers Church History of Eusebius churchianity Churchill Churchill Churchill，Winston Leonard Spencer churchism churchman Church Missionary Society

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。

fire class