这样就可以提高你的数学 » This can improve your math 镨钕金属 » Praseodymium neodymium metal 订房确认邮件 » Reservation confirmation e-mail ..
基于8个网页-相关网页
研究了纯镍铸铁焊条冷焊时,稀土金属镧、铈、镨、钇及钕对焊缝热裂纹敏感性的影响规律,并分析了铈对焊接接头力学性能和加工性能的影响。
The influence of Lanthanum, Cerium, Yttrium, Praseodymium and Neodymium on weld hot cracking susceptibility of the pure nickel electrode used for cold welding of cast iron was studied.
钕镨合金一种金属混合金属,曾被当作一个元素,是由钕和镨组成的。
A metallic mixture, once considered an element, composed of neodymium and praseodymium.
应用推荐