“secondary copper”的概念、定义、翻译、参考文献-科学参考

单词	secondary copper
释义	secondary copper Encyclopedia 工学[再生金属]释 secondary copper再生铜以废旧铜金属制品及工业生产过程中铜金属的边角余料为原料，炼制成的铜及铜合金。再生铜资源是铜供应的一个重要组成部分。
随便看	two-planes vertical balancing machine two plasmon decay Two Plays on Emperor Qianlong's First Southern Expedition Two Plus Four Negotiation two-point boundary value problem two point correlation function two-point correlation function two-point discrete space two-point distance two point distribution two-point distribution two-point equation two-point form two-point interpolation problem two-point linkage analysis two-point problem two-point property two-point tensor two-point threshold two-port two-port network two-priority Two Prison Guards two proton emission two-proton emission

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。