“secondary lead”的概念、定义、翻译、参考文献-科学参考

单词	secondary lead
释义	secondary lead Encyclopedia 工学[再生金属]释 secondary lead再生铅以废铅金属、废铅合金或含铅废料为原料，通过火法冶金、固相电解还原、湿法冶炼等工艺，回收得到的有价铅金属产品。
随便看	projective algebra projective algebraic set projective algebraic variety projective A-module projective analytic geometry projective angular metric projective arc projective arc length projective assembly projective axiom projective base projective binormal projective bundle projective character projective class projective class group projective classical group projective classification projective closure projective collineation projective compactification projective cone projective configuration projective conic projective connected space

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。