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abbr.
螺紋中徑(=pitch diameter)
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abbr.
郵區(=postal district)
Noun:
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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
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上文東西強勢來襲構思,受專著權庇護,版權侵權必究
海詞詞典下載,十八年廠家