“lead（Pb）”概念、定义、翻译-科学时代

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。

单词	lead（Pb）
释义	环境科学与工程词汇手册 lead（Pb）铅
随便看	combined storm system combined strength combined stress combined stress combined surplus combined surplus combined system combined system of field crop and high forest combined tactics combined test combined trade mark combined training combined transport combined transport combined transport combined transport bill of lading combined transport document combined transport document--combined transport document (CTD) combined transport document (CTD) combined transport operator combined transport operator--combined transport operator (CTO) combined transport operator (CTO) combined type rooms combined upward and downward flow heating system combined use of the four diagnostic methods