“primary sludge”概念、定义、翻译-科学时代

单词	primary sludge
释义	市政工程词汇手册 primary sludge 初沉污泥，主污泥
随便看	excerption excess excess excess excess excess excess excess excess activated sludge excess air coefficient excess air factor excess air ratio excess amortization excess aqueous ammonia excess arrears excess bank reserve excess budget excess burden excess burden of a tax excess capacity excess capacity excess capacity excess capacity excess capacity theorem excess cargo

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。

primary sludge