匿名用户2007-05-12purecopper纯铜oxygenfreecopper无氧铜tinbronze锡青铜phosphorizedcopper磷脱氧铜tinbrass锡黄铜冶金专业英语词汇http://bbs.etfane.ttjj.org/read.php?tid-1796-fpage-1-toread--page-2.htmlhttp://www.hellochem.ttjj.org/xz/xz6/58859gqyfj.htm