Her office has stumbled upon items, such as a 17th-century silver altar ornament, that were sold to be melted down as scrap.
她的办公室里堆满了东西，比如一件17世纪的银制祭坛装饰，被文物贩子熔化为小块后出售。
These are graphite, high silicon cast iron, lead silver alloy, platinum, and even scrap steel rails.
所用材料有石墨、高硅铸铁、铅银合金、铂、甚至废钢轨等。
Scrap metal can Be recycled (turned) into "gold and silver".
废物利用，废铜烂铁可提炼出“金子”“银子”。
The technologies for silver recovery from Ag scrap and preparation of Ag products are summarized.
综述含银废料中银的综合回收和利用工艺。
The technologies for silver recovery from Ag scrap and preparation of Ag products are summarized.
综述含银废料中银的综合回收和利用工艺。
应用推荐