论文部分内容阅读
PLATINUM铂此词源于西班牙文的Plata(银),因西班牙人在南美初次发现它时光泽似银而得名。铂与白金并不相同,很容易混淆,铂较金更稀少且昂贵,硬度高,白中带灰,具有光泽好,延展性强的特性,在
PLATINUM Platinum This term originated from the Spanish Plata (Silver), because the Spanish in South America for the first time when it was shining silver named. Platinum and platinum are not the same, it is easy to confuse, platinum is more expensive than gold and expensive, high hardness, white with gray, with good gloss, ductility, in the