“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	declination axis declination circle declination compass declination compass declination of kidney yang declinature decline decline decline decline card decline disease decline of water table decline phase decline stage decline stage decline stage decline stage decline stage declining declining area declining-balance depreciation declining-balance method declining-balance method declining-balance method of depreciation declining demand

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