pd
英
美
- abbr. 螺纹中径(=pitch diameter)
- abbr. 邮区(=postal district)
详细释义
Noun:
-
a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
相关词汇
- palladium [化]钯
【近义词】
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